Obituaries Archives - YFile /yfile/tag/obituaries/ Thu, 20 Aug 2026 01:04:42 +0000 en-CA hourly 1 https://wordpress.org/?v=6.9.7 Passings: Kurt Danziger /yfile/2026/08/19/passings-kurt-danziger/ Wed, 19 Aug 2026 18:23:12 +0000 /yfile/?p=409234 Professor Emeritus Kurt Danziger leaves behind a legacy as an activist in the anti-apartheid resistance in South Africa, a founding member of 91亚色's Department of Psychology and an influential figure in the study of the history of psychology.

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Kurt Danziger, a formative figure in the creation of 91亚色's Department of Psychology and an internationally recognized scholar whose work reshaped understanding of psychology's history, has died at the age of 100.

Born in Germany in 1926, Danziger emigrated with his family to South Africa as a child and completed degrees in chemistry and psychology at the University of Cape Town before pursuing doctoral studies at the University of Oxford, where he was among the institution's first PhD graduates in psychology.

Kurt Danziger
Kurt Danziger

After teaching in Australia and Indonesia, Danziger returned to South Africa and eventually became chair of psychology at the University of Cape Town. During the apartheid era, he became acquainted with Nelson Mandela and other leaders in the anti-apartheid movement and served as an expert witness in trials involving Black activists. His advocacy brought threats against him and his family, as well as the possibility of prosecution by the government.

In 1965, Danziger accepted an invitation to join 91亚色 as the second chair of its Department of Psychology.

Arriving as the University was opening the Keele Campus, he helped shepherd a period of rapid growth for the department. During his two-year tenure as chair, faculty numbers more than doubled. During that period, he also helped recruit many of the scholars who would shape the department's future growth and research strengths. He remained at 91亚色 until his retirement in 1994, when he became professor emeritus.

鈥淜urt was a giant in our department and in the field," says Alistair Mapp, current chair of the Department of Psychology.

While helping shape the department's growth, Danziger also emerged as one of the world's leading scholars of the history of psychology. Although he initially worked in social psychology, his interests increasingly turned toward the history of the discipline and its research methods, as well as the ways the discipline鈥檚 ideas evolved over time.

By the 1980s, that interest culminated in his influential 1990 book, Constructing the Subject: Historical Origins of Psychological Research. It was one of several landmark works that followed, including Naming the Mind: How Psychology Found Its Language and Marking the Mind: A History of Memory, helping establish his international reputation and reshaping how scholars understood psychology's past.

Collectively, his research challenged long-accepted assumptions about some of the discipline's founding figures and prompted new ways of thinking about how psychological knowledge is created. The work also helped lay the foundation for one of his most lasting contributions to 91亚色. Danziger helped establish the University's graduate specialization in History and Theory of Psychology, developing its curriculum and serving as its founding director when it launched in 1980. Over the following years, he supervised many of the students who entered the program, helping train a generation of scholars. The program continues today as Historical, Theoretical and Critical Research in Psychology.

Over the course of his career, Danziger received numerous honours. He was elected a Fellow of the Royal Society of Canada in 1989 and received the Canadian Psychological Association's Award for Distinguished Contributions to Education and Training in 1994 for his role in establishing 91亚色's graduate specialization in the history and theory of psychology. In 2005, he was appointed a Member of the Order of Canada. He also received lifetime achievement awards from both the Society for the History of Psychology and the Canadian Psychological Association's History and Philosophy of Psychology Section.

For those who knew him well, including Professor Emeritus Ray Fancher, Danziger's accomplishments resonate not only in the field of psychology, but throughout 91亚色.

"He was surely one of 91亚色's 'greatest' figures," says Fancher.

Mapp echoes that sentiment. "His legacy will live on through his students and his writings. He will be sorely missed," he says.

With files from Ray Fancher

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Passings: Robert (Bob) Cluett /yfile/2026/08/12/passings-robert-bob-cluett/ Wed, 12 Aug 2026 17:34:36 +0000 /yfile/?p=409117 Professor Emeritus Robert Cluett leaves a legacy at 91亚色 as a dedicated teacher, mentor and advocate for students during his more than three decades in the University's Department of English.

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Robert (Bob) Cluett, a 91亚色 professor emeritus and recipient of an honorary doctor of letters from 91亚色, has died at the age of 93.

Cluett joined 91亚色 in the late 1950s, beginning his more than three decades at the University, where he taught in the Department of English and served as Chair of the graduate English program before retiring in 1989.

Robert (Bob) Cluett
Robert (Bob) Cluett

At 91亚色 he became known as a dedicated teacher, mentor and advocate for students.

Former students remembered Cluett as an educator who combined intellectual rigour with generosity and encouragement. Many recall his willingness to support students through academic and professional challenges, helping them navigate graduate studies, secure career opportunities and pursue paths beyond academia. Others describe him as thoughtful, principled and deeply committed to fostering independent thinking and intellectual curiosity.

Cluett's contributions to 91亚色 extended beyond the classroom. An associate of Winters College, he coached the University's women's squash team from 1979-86, later describing it as his most rewarding coaching experience. Former players remember him as a dedicated coach and mentor.

During his years at 91亚色, Cluett became increasingly interested in how universities identify and support talented students. Concerned that many promising Canadians were leaving the country to pursue post-secondary education elsewhere, and seeing limitations in scholarship programs focused primarily on grades or athletic achievement, he developed an alternative vision.

That vision led him to take early retirement from 91亚色 in 1989 to establish the Canadian Merit Scholarship Foundation, now known as the Loran Scholars Foundation. As founding chair and CEO, he championed an approach that emphasized character, leadership potential, resilience and community engagement alongside academic accomplishment. 91亚色 was one of five founding university partners in the program, which has since become one of Canada's most prominent undergraduate scholarship initiatives.

According to his family, Cluett considered the foundation his proudest accomplishment.

In recognition of his contributions to education and student development, 91亚色 awarded Cluett an honorary doctor of letters. Through his teaching, mentorship and the scholarship foundation he created, his influence continues to be felt by students and graduates across Canada.

Cluett was predeceased by his spouse and a granddaughter. He is survived by his three daughters, a cherished niece regarded as part of the immediate family, seven grandchildren, one great-granddaughter and a brother-in-law.

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Passings: John Frederick Bankes /yfile/2026/08/07/passings-john-frederick-bankes/ Fri, 07 Aug 2026 18:30:55 +0000 /yfile/?p=409089 An alum and lifelong supporter of 91亚色, John Frederick Bankes created a legacy of business leadership and philanthropy for future generations by promoting the value of volunteering.

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John Frederick Bankes, a lawyer, investment banker, philanthropist and longtime supporter of 91亚色, has died at 74.

Bankes graduated from 91亚色 with both an LLB and MBA in 1977 before going on to become a respected leader in law and finance. After practising law in Toronto and New 91亚色 and working with international investment banking firms including Goldman Sachs and Credit Suisse First Boston, he founded Artemis Management Group, a private investment bank that advised clients around the world on mergers, acquisitions and other major transactions.

John Frederick Barnes
John Frederick Barnes

Throughout his career, Bankes maintained a strong connection to 91亚色. Appointed a student member of the University's Board of Governors in 1974, he returned to the board in 1985 as an alumnus and business leader. He served for more than three decades and became the longest-serving active member of the Board of Governors.

He contributed to the University in numerous other ways over the decades. He served for more than 15 years as an executive member of the 91亚色 Alumni Association and, in 1995, was co-chair of a national fundraising campaign in support of the University.

His involvement at 91亚色 also included teaching as a sessional lecturer at , where he taught an advanced corporate law seminar in the joint law and MBA program, and supporting students through scholarships, bursaries and awards.

His commitment to service extended far beyond 91亚色. Volunteerism and philanthropy were defining features of his life, reflecting a deeply held belief in giving back to the community.

He lent his leadership and expertise to a wide range of charitable, educational, health care and cultural organizations, serving as a board member of the Sunnybrook Hospital Foundation and co-chair of the Scarborough Hospital Foundation. He also served with the Prince of Wales Charities Advisory Committee, PREVNet, a national organization dedicated to preventing bullying, and arts organizations including the Toronto Symphony Orchestra and Canadian Stage.

In recognition of his contributions to business, philanthropy and community service, Bankes received numerous honours throughout his lifetime, including the Queen Elizabeth II Golden Jubilee Medal, the Queen Elizabeth II Diamond Jubilee Medal and the Royal Canadian Academy of Arts Centennial Medal.

Among his proudest honours was receiving an honorary Doctor of Laws from 91亚色 during Spring Convocation in 2014.

Speaking to graduands at the ceremony, Bankes encouraged them to see volunteerism not as an obligation but as an opportunity to make a meaningful difference in the lives of others and their communities.

Quoting inventor and futurist R. Buckminster Fuller, he said, 鈥淔ind a cause that needs your involvement, your integrity, loyalty, intellectual capacity, passion and most importantly your commitment to give back to society.鈥

He challenged graduates to recognize the impact they could have through service, arguing that volunteerism remains a powerful force for addressing societal challenges and strengthening communities. He also shared his belief in their potential to bring about change.

鈥淚 think about what young people who have more tomorrows than yesterdays are to make of the world they have inherited,鈥 he said.

Through a lifetime of leadership, philanthropy and service, Bankes now leaves a better inheritance for those who follow.

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Passings: Barrie Coukell /yfile/2026/08/05/passings-barrie-coukell/ Wed, 05 Aug 2026 18:38:28 +0000 /yfile/?p=409028 Professor Emeritus Barrie Coukell is remembered for his research contributions to understanding biological processes and his devoted mentorship of graduate students during his more than 30 years at 91亚色.

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Professor Emeritus Barrie Coukell, a long-time 91亚色 biology professor, mentor and researcher, has died at the age of 85.

Coukell received a bachelor of science, master of science and PhD from the University of British Columbia before completing postdoctoral appointments at Stanford University and the University of Oxford. In 1972, he was recruited to help build 91亚色's then-nascent Department of Biology.

Barrie Coukell
Barrie Coukell

He remained at 91亚色 until his retirement in 2005. During his career, he conducted research in genetics, biochemistry and developmental biology, studying how cells communicate and coordinate their activities. Using a microorganism as the biological system for his research, his work helped advance understanding of fundamental biological processes.

Coukell was widely regarded as a leader in his field, as was his wife, Anne, an accomplished microbiologist who worked at 91亚色 as a research associate and laboratory manager for 28 years. Anne contributed extensively to the laboratory's research activities and co-authored many publications alongside her husband.

Beyond his research achievements, Coukell was deeply respected by colleagues and students alike. He taught large introductory undergraduate courses, offered upper-level biology classes and supervised numerous graduate students throughout his career.

When he received a Faculty of Graduate Studies Teaching Award in 2003, colleagues praised his ability to help students develop as independent researchers by fostering critical and creative thinking, problem-solving skills, perseverance, effective communication and intellectual curiosity.

Former students remember him for his approachability, kindness and unwavering commitment to scientific integrity. Both Coukell and Anne were known for their generosity, often welcoming students into their home and treating them like extended family.

Even after retirement, supporting students remained important to the couple. Through a legacy gift to 91亚色, they established the Milton Barrie Coukell and Anne Maureen Coukell Scholarship, which supports undergraduate students in science and engineering as well as graduate students in 91亚色's biology program.

In a 2009 interview with 91亚色 U Legacies, reflecting on the scholarship and the legacy he hoped to leave, Coukell emphasized the transformative power of education. "It's important to train people to think for themselves; to think critically and scientifically. I can't think of anything more important," he said.

The sentiment reflects a legacy remembered by generations of students whose lives and careers were shaped by Coukell's guidance, generosity and commitment to education.

Besides his commitment to science and to education, Barrie was devoted to his family which besides his wife Anne included his daughter Suzanne, her husband and his granddaughter Kate.

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Passings: David T. McNab /yfile/2026/07/17/passings-david-t-mcnab/ Fri, 17 Jul 2026 17:34:01 +0000 /yfile/?p=408694 Professor Emeritus David T. McNab is remembered for his contributions to Indigenous history and community-engaged scholarship during his time at 91亚色 and beyond.

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91亚色 Professor Emeritus David T. McNab, a M茅tis historian, educator and scholar whose work helped advance the study of Indigenous histories, land rights and treaty relationships in Canada, has died.

Over more than two decades at 91亚色, McNab built a reputation as a leading researcher of Indigenous history and Aboriginal land and treaty rights. As a faculty member at the Faculty of Liberal Arts & Professional Studies, he taught Indigenous and Canadian studies and helped strengthen understanding of Indigenous perspectives through both teaching and research.

David McNab
David McNab

McNab鈥檚 scholarship focused on Indigenous history and literature, Indigenous thought, land and treaty rights, Canadian studies and Ontario history. His work frequently bridged academic inquiry and community knowledge, reflecting long-standing partnerships with First Nations communities and organizations.

Throughout his career, he served as a claims advisor for Nin.Da.Waab.Jig., the Walpole Island Heritage Centre of Bkejwanong First Nation, while also advising a range of First Nations and Indigenous organizations in Ontario and Newfoundland on land rights, treaty and governance matters. His advisory work included collaborations with the Mohawks of Akwesasne, the Algonquins of Golden Lake, the Teme-Augama Anishnabai and several other Indigenous communities.

In addition to publishing more than 80 scholarly articles, McNab authored and edited numerous books that contributed to the fields of Indigenous history and ethnohistory. Notable publications included Earth, Water, Air and Fire: Studies in Canadian Ethnohistory; Circles of Time: Aboriginal Land Rights and Resistance in Ontario; Blockades and Resistance: Studies in Actions of Peace and the Temagami Blockades of 1988-89; Walking a Tightrope: Aboriginal People and their Representations; and The Long Journey of Canada鈥檚 Forgotten People: M茅tis Identities and Family Histories.

His academic journey began with an honours degree in history from Waterloo Lutheran University, followed by a master鈥檚 degree in history from McMaster University and a PhD in Indigneous imperial policy from the University of Lancaster.

At 91亚色, McNab contributed extensively to university governance and academic development. He served as co-chair of the Aboriginal Council and was a member of the Aboriginal Caucus. He also participated in numerous Faculty and departmental committees, including the Academic Petitions and Appeals Committee, curriculum committees and initiatives supporting the development of Indigenous studies and public history programs.

His leadership extended to organizing scholarly gatherings that brought together researchers and communities. Among them were the 2007 Algonquian Conference at 91亚色 and an international environmental history workshop developed through a partnership between 91亚色 and Bkejwanong First Nation.

Beyond 91亚色, McNab was active in historical and cultural organizations, including the Champlain Society, the Native Canadian Centre of Toronto and the Friends of the Archives of Ontario. Through these roles, he supported public history initiatives and the preservation and documentation of Indigenous and Canadian histories.

He was elected a Fellow of the聽Royal Society of Canada in 2017, for his bodies of work that "promote First Nations鈥 and M茅tis鈥 stories in Canada鈥檚 narratives."

He is survived by his wife of 56 years, Ute Lischke, his sons and grandson and will be missed by his brothers, sisters, relatives, friends and colleagues. on how to celebrate his life and legacy.

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Passings: James R. Gibson /yfile/2026/07/08/passings-james-r-gibson/ Wed, 08 Jul 2026 20:05:48 +0000 /yfile/?p=408437 A teacher at 91亚色 for 30 years, Professor Emeritus James Gibson was a leading expert on the history of Russia and the Pacific Northwest.

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James R. Gibson, a 91亚色 professor emeritus whose work explored Russian expansion across Siberia, Alaska and the Pacific Northwest, has died at the age of 91.

Gibson joined 91亚色 in 1966 and taught in the Department of Geography until his retirement in 1996. There, he considered himself fortunate to teach subjects closely aligned with his own scholarly interests, including the geography, history and economic development of the Soviet Union and Russia.

James Gibson
James Gibson

Following his retirement, he became a senior scholar and professor emeritus, remaining active in research and writing while building on an international reputation as an expert on Russia's expansion eastward across Siberia and into North America. His work often drew on painstaking translations of handwritten Russian archival documents, helping deepen understanding of Siberia, Russian America and the Pacific Northwest.

Gibson was perhaps best known for Otter Skins, Boston Ships, and China Goods: The Maritime Fur Trade of the Northwest Coast, 1785鈥1841, which received the Lieutenant-Governor's Medal for British Columbia History in 1992. The book offers a comprehensive history of the maritime fur trade, examining how Indigenous communities, European and American traders, and Chinese markets became connected through the exchange of furs and goods across the Pacific.

His final book, Hungry and Starving: Voices of the Great Soviet Famine, 1928鈥1934, was published in 2024. Through first-hand accounts, archival records and contemporary observations, the book explores the human impact of the famine that accompanied the Soviet Union's collectivization of agriculture, offering readers a broader understanding of life under Stalin's regime.

Beyond his best-known books, Gibson produced a substantial body of work on Russian America and the Pacific Coast. His publications included California Through Russian Eyes, 1806鈥1848 and the two-volume Russian California, 1806鈥1860: A History in Documents, which brought together rare Russian accounts of early California and translated hundreds of historical documents into English, many for the first time.

His research interests also extended to the wider history of the Pacific Northwest. In works such as The Lifeline of the Oregon Country and Farming the Frontier, Gibson examined the transportation networks, fur trade and agricultural development that shaped the Oregon Country during the late 18th and early 19th centuries, shedding light on the people and systems that connected western North America.

Gibson's contributions were recognized through many awards and honours, including election as a Fellow of the Royal Society of Canada in 1989. His work also earned an international reputation, leading to visiting appointments and lectures in Japan, New Zealand and Hawaii.

His legacy also lives on through the James R. Gibson Collection at Hokkaido University in Japan. Built from his personal research library, the collection contains more than 2,500 volumes on Russian history, geography, Siberia and Russian America, providing a lasting resource for future generations of researchers.

He is survived by his wife, daughter, son and granddaughter.

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Passings: William (Bill) Gapen /yfile/2026/07/03/passings-william-bill-gapen/ Fri, 03 Jul 2026 16:38:30 +0000 /yfile/?p=408233 William (Bill) Gapen, a part-time faculty member in 91亚色鈥檚 School of Social Work who taught in the areas of mental health, addictions and social service, passed away on April 25 at the age of 70.

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William (Bill) Gapen, a part-time faculty member in 91亚色鈥檚 School of Social Work who taught in the areas of mental health, addictions and social service, passed away on April 25 at the age of 70.

Gapen was born in Nipigon, Ont., on May 19, 1955.

His academic pursuits led him to earn a bachelor of arts, a bachelor of social work and a master鈥檚 of social work, after which he spent more than 30 years working as a social worker and systems consultant.

Bill Gapen
Bill Gapen

His work centred on youth and adults living with mental health and developmental challenges. Individuals in this population often have both a developmental disability and a mental health condition 鈥 a combination known in the social services sector as dual diagnosis. Gapen published widely on the subject and presented his research at conferences across Canada and the U.S. He also consulted on the development of community partnerships and support networks in social services across North America.

Gapen spent many years at Griffin Centre for Mental Health Services in Toronto, where he served as director of community development and education. In that role, he helped establish several regional support networks in Ontario: the Griffin Community Support Network, the Peel Crisis Capacity Support Network, the 91亚色 Region Support Services Network and the Dufferin Crisis Community Support Network.

Each unit was built to support people living with serious and complex mental health needs through crisis and transitional services.

Beyond this work, Gapen taught as a part-time instructor at 91亚色's Faculty of Liberal Arts & Professional Studies as well as George Brown College, sharing his knowledge of mental health, addictions, developmental disabilities, social policy, social administration and community development with the next generation of practitioners.

He leaves behind his partner, Richard Nolan, and will be missed by his family, friends and former colleagues.

A Celebration of Life will be held Sept. 16 at the Columbus Centre, 901 Lawrence Ave. W., North 91亚色, from 1 to 4 p.m. Those who plan to attend are asked to RSVP to gabcap@sympatico.ca.

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Passings: Valeria Tsoukanova /yfile/2026/06/24/passings-valeria-tsoukanova/ Wed, 24 Jun 2026 14:37:41 +0000 /yfile/?p=407826 Professor Valeria Tsoukanova is remembered for her ability to make chemistry accessible to students and for her research's impact on biomedical applications.

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Professor Valeria Tsoukanova, a researcher and educator in 91亚色鈥檚 Department of Chemistry whose work advanced the design of biomimetic materials for biomedical applications, passed away on April 11.

Tsoukanova joined 91亚色 in 2004 as an assistant professor, where she taught undergraduate and graduate courses in chemistry.

Tsoukanova鈥檚 teaching emphasized the relevance of chemistry to biological and medical challenges, connecting fundamental principles to real-world applications. Colleagues say she also had a gift for helping students grasp difficult material. 鈥淪he approached teaching with exceptional care, thoughtfully preparing her lectures and presenting complex concepts in a way that students could understand and absorb,鈥 says Professor Dasantila Golemi-Kotra, a colleague in the Faculty of Science.

Valeria Tsoukanova

This approach reflected a compassionate, attentive teaching style. She was always willing to offer guidance and encouragement, and remained committed to supporting her students鈥 academic and career aspirations.

Tsoukanova was also a respected researcher. 鈥淲hat distinguished Valeria as a researcher was her rigorous attention to detail and her unwavering commitment to fundamental scientific principles,鈥 says Golemi-Kotra.

Her research focused on how extremely thin layers of molecules behave when they form on surfaces, similar to coatings on medical implants. She was particularly interested in how these molecules organize into membrane-like structures that mimic biological membranes. Her work advanced the understanding and design of biomimetic surfaces and materials, with applications in biomedical technologies including drug delivery systems and artificial membranes.

Her research, frequently supported by the Natural Sciences and Engineering Research Council of Canada (NSERC), helped guide the development of coatings that reduce protein buildup, allowing medical devices to function more reliably. It also informed the design of drug carriers that can move more effectively through the body. Together, this work contributed to the development of materials better suited for use in biomedical applications.

This integration of fundamental understanding and practical application defined her approach to research. 鈥淲hile pursuing a deep understanding of the mechanisms underlying molecular self-assembly, she consistently recognized the broader practical significance of this knowledge,鈥 Golemi-Kotra says.

She sought to pass this perspective on to her students. According to Golemi-Kotra, Tsoukanova saw the training and mentorship of the next generation of researchers as an essential part of her scientific contribution and legacy.

Colleagues say this legacy extended beyond her academic contributions to her relationships with others. Positive, sensitive and unfailingly supportive, she offered encouragement to those around her. Golemi-Kotra and others will remember her for her intelligence, compassion and remarkable sense of humour, and for the encouragement she offered to colleagues and students alike.

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Passings: Dan Olsen /yfile/2026/06/10/passings-dan-olsen/ Wed, 10 Jun 2026 20:30:38 +0000 /yfile/?p=407420 Dan Olsen, a print media technician in the School of Arts, Media, Performance & Design, supported generations of students across four decades.

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Dan Olsen, a print media technician who served the (AMPD) for more than four decades, has died at 71.

When Olsen finished his bachelor of fine arts in 1979 at 91亚色, instead of leaving, he made the University his home.

For 41 years, he worked in the Department of Visual Art and Art History (VAAH) as a technician within the print media area, overseeing the daily operations of a specialized space where AMPD students learn printmaking, the process of transferring inked images from prepared surfaces onto paper using presses and other tools.

Dan Olsen
Dan Olsen

Much of the role happens behind the scenes 鈥 including coordinating studio schedules and maintaining equipment and supplies. Because these processes rely on dedicated equipment, materials and controlled working conditions, students depend on an experienced technician to help them develop their skills and complete coursework.

Olsen exemplified these responsibilities, playing an active part in student learning by guiding them and supporting their work in the studio.

鈥淎s technician, teacher and mentor, he supported and encouraged generations of students, creating a cooperative and dynamic environment where they could realize their goals,鈥 says Barbara Balfour, professor emerita, who worked with Olsen for over two decades. He even helped them do so when ideas pushed the limits of conventional approaches or required creative problem-solving in the studio.

鈥淒an always seriously entertained students鈥 unorthodox technical questions, only discouraging them when health and safety considerations prevailed,鈥 she says.

For Daryl Vocat, the current print media technician in VAAH, that was part of who Olsen was, and something that continues to inspire his own approach to the job. 鈥淚 remember Dan as someone who was happy to lend a hand, and as someone who made the studio a welcome and friendly place,鈥 he says.

The long-term impact of Olsen鈥檚 generosity, patience and technical knowledge was recognized through honours like the AMPD Award of Excellence Staff Recognition Award in 2019 for his career efforts and the annual Dan Olsen Print Media Award, named after him when he retired in 2020.

Olsen鈥檚 impact is recognized in other meaningful ways. David Scott Armstrong, an associate professor who worked with Olsen for 17 years, says when he meets former students who were part of VAAH鈥檚 printmaking community, a frequent question arises. 鈥淭hey ask, with a glimmer of fond recollection in their eye, 鈥業s Dan still there?鈥欌

He may no longer be, but his influence continues to be felt in the studio and in the work of the many artists he supported over the years.

鈥淒an brought so much to this community over the years, and all who knew him 鈥 students, artists, teachers, colleagues 鈥 are grateful for all that we have learned from him,鈥 says Armstrong. 鈥淔aculty and course offerings came and went, but Dan was there through it all. He was a vital presence and spirit that made 91亚色's printmaking community strong and enduring.鈥

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Passings: Tom McElroy /yfile/2026/05/20/passings-tom-mcelroy/ Wed, 20 May 2026 17:24:34 +0000 /yfile/?p=406891 Members of the 91亚色 community will have an opportunity to recognize the legacy of alumnus and Professor Tom McElroy, who helped co-develop the UV Index and advance understanding of ozone risks.

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91亚色 alumnus and Professor Tom McElroy, widely recognized as one of the world鈥檚 leading atmospheric scientists, recently passed and the University community will gather for a on May 26.

The life and work of McElroy, who spent 15 years at 91亚色's , was built on a lifetime of scientific contributions and knowledge sharing through mentorship and field research.

After earning his PhD at 91亚色 in the late 1970s, McElroy returned to 91亚色 in 2011 as a CSA/ABB/NSERC Industrial Research Chair in Atmospheric Remote Sounding. He brought with him a breadth of experience and accomplishments, which he translated to meaningful research and teaching.

Among his most notable accomplishments, McElroy was the co-inventor of the Brewer ozone spectrophotometer in the early 1970s. The instrument measures how much ozone is in the atmosphere by analyzing sunlight as it passes through it. At the time, it marked a major advance in how scientists could track changes in the ozone layer. It went on to underpin global monitoring efforts and informed public and scientific understanding of ozone depletion, including the heightened awareness of the issue in the late 20th century.

Tom McElroy
Tom McElroy

He also co-developed the UV Index, a public-facing tool used around the world to show how strong the sun's ultraviolet radiation is. It provides simple guidance that helps people make decisions about sun exposure, such as when to seek shade or apply sunscreen. Widely adopted in weather reporting, it has become a familiar part of how people assess their risk when spending time outdoors.

McElroy continued to build on his contributions over a 36-year period with Environment Canada, where he served as a senior research scientist. It became a defining focus of his career, as he advanced work in ozone science, atmospheric physics and remote sensing. He developed new techniques to track atmospheric gases from the ground, from aircraft and from space, helping scientists better understand how the Earth鈥檚 atmosphere is changing across different environments.

His research extended into space-based observation as well, including contributions to Canada鈥檚 SCISAT mission 鈥 a satellite designed to study the chemistry of the Earth鈥檚 atmosphere 鈥 through the MAESTRO spectrophotometer, an instrument used to measure ozone and other gases from orbit.

Much of his research is reflected in hundreds of scientific publications, many of which have been widely cited. His work was also recognized with numerous national and international honours. He was elected a Fellow of the Royal Society of Canada in 2009 and received the Patterson Medal from Environment Canada and the United Nations Environment Programme Innovators Award.

During his time at 91亚色, he helped train students and early-career researchers, often introducing them to the rewards of working in remote environments, from the High Arctic to international monitoring stations.

His legacy lives on in the careers of the many students and colleagues he helped to shape at 91亚色, in the instruments still operating around the world and in the data that continues to inform environmental research and policy.

The memorial and celebration of life will take place at 91亚色's Keele Campus, Bethune College, Room 203, from 11:30 a.m. to 2:30 p.m. Colleagues, former students, collaborators and family will gather both in person and online to reflect on his impact.

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