In Memoriam
| Anne Marie Ryan | PhD, 2006 | January 20, 2022 |
| David B. Scott | PhD, 1977 | December 21, 2021 |
| Anne Catherine Hargreaves | MSc, 2021 | November 10, 2021 |
| Brian E. Fisher | MSc, 2021 | January 1, 2021 |
| Warren Ervine | Professor, 1976-1978 | October 12, 2020 |
| George Clinton Milligan | BSc, 1946; MSc, 1948, Professor, 1957-1985 | January 23, 2018 |
| Prasanta Sarkar | PhD, 1978 | September 30, 2017 |
| Fabrizio Aumento | PhD, 1965 | October 8, 2016 |
| G. Ross Douglas | BSc, 1978 | May 13, 2016 |
| Neil E. Tibert | B.Sc. (Honours), 1994; M. Sc. 1996 | December 20, 2015 |
| Randall C. Brooks | BSc, 1980 | April 19, 2015 |
| Richard Milton Sproule | B. Sc. 1979 | December 11, 2014 |
| Franco Medioli | Professor, 1965 - 1996 Emeritus, 1996 - 2014 |
January 31, 2014 |
| Alan Grant | B.Sc. 1963, PhD, 1971 | June 14, 2012 |
| Hans Wielens | Adjunct professor, 2001 - 2010 | August 6, 2010 |
| Creighton Dawson Brisco | B.Sc. 1974 | March 13, 2009 |
| Cecily Honig | B.Sc. 1984, M.Sc. 1987 | November 24, 2006 |
| James Mehegan | Ph.D. 1988 | July 30, 2004 |
| Douglas Grant | B.Sc. 1960 | January 08, 2003 |
| Robert M. Creed | M.Sc. 1968 | August 07, 2000 |
| Paul Schenk | Professor, 1963 - 1999 | April 10, 2000 |
| Charlie Reid | B.Sc. 1979 | April 08, 2000 |
| Alan Stark | B.Sc. 1991 | November 20, 1996 |
| Ian J. MacEachern | B.Sc. 1983 | December 12, 1984 |
| Mark A. P. Ponsford | B.Sc. 1984 | December 12, 1984 |