Mathematician John Charles Fields.

Bora Laskin (left) on the occasion of receiving an Honorary Degree from the Ontario Institute for Studies in Education, June 13 1975

Bora Laskin (centre) on the occasion of receiving and Honorary Degree from the Ontario Institute for Studies in Education , June 13 1975

Hermann Minkowski, German mathematician

British Association for the Advancement of Science, 67th annual meeting, held in Toronto in 1887

Donald Young Solandt

Toronto General Hospital house staff