Ernest Armstrong McCulloch, Senior Scientist at the Ontario Cancer Institute, Princess Margaret Hospital, as well as University Professor Emeritus at the University of Toronto, and the distinguished clinician-scientist who is considered one of the two “Fathers of Stem Cell Science”, died on January 20, 2011 at the age of 84.

Dr. Ernest McCulloch was born on April 27, 1926 in Toronto, Canada, and some time later obtained the nickname “Bun” for Bunny. He attended Upper Canada College, a private high school in Toronto, and from there went directly to medical school at the University of Toronto, where he earned his M.D. degree in 1948. He then began his education in research while studying for a year at the Lister Institute in London, England. Further training followed at the Toronto General Hospital and Sunnybrook Hospital and then for a time as a research fellow at the...

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