May 26, 2022

Daisy Sheldon McCann, Ph.D., 1927–2022

Daisy Sheldon McCann, Ph.D., circa 1980

With deep regret we announce the death of Daisy Sheldon McCann, Ph.D., who was a faculty member in the Department of Biological Chemistry from 1970 to 1994. The following obituary was kindly provided by the family of Dr. McCann:

Surrounded by the love of her family, Daisy passed away peacefully on the evening of Friday, May 20, 2022, in the Toronto home that she shared with her son, Robert; daughter-in-law, Carolyn; and grandchildren, Ian, Dylan, and Aiden. Also survived by sister-in-law Julie, and numerous nieces, nephews, and cousins, and predeceased by her loving husband of 54 years, John Joseph McCann, and his five siblings. Born Gisela Schoendorff, Dr. McCann was a research biochemist and entrepreneur, who taught in the Department of Biological Chemistry at the University of Michigan, founded the temp-to-perm placement service Add-a-Tech, Inc., and served for many years as the Executive Director of the Clinical Ligand Assay Society. She was a source of wisdom and inspiration to many. A celebration of life will be held on Saturday, May 28, 2022, at Toronto's Mount Pleasant Funeral Center, 416-485-5572 (visitation at 3 PM, hybrid service at 4:30 PM preceded by music). Donations to the McCann Memorial Fund to endow a student scholarship at the University of Toronto accepted gratefully in lieu of flowers.

For more information, including a link to livestream the funeral service, please visit

Behold, we are not bound forever to the circles of the world, and beyond them is more than memory.