Prof. William A. Parks in trench

Map of CPR lines with Innis' annotations made while researching his Ph.D. dissertation on railways

Dr. W.G. Bigelow and colleagues in hibernation research are grouped around an electro-cardiograph machine and cooling bath.

William A. Parks, head of the Department of Geology and director of the Royal Ontario Museum seen in trench

Unidentified medical researcher

Harold Innis with T.W. Harris, North West Territory

Dr. Frederick Kergin, at patient's bedside.

H.E.T. Haultain, professor of Mining Engineering

Frederick Coates in workshop of the Dominion Orthopedic Hospital, Christie St. Toronto

Prof. Ernest A. McCulloch shown here (3rd from right) with colleagues at the Symposium on Cell Multiplication.

Original members of the Playfair Committee.

Dr. James Till in laboratory

Harold Innis in Churchill, Manitoba

Official Pass for J.C. McLennan issued to him by the British Admiralty.

Dr. Frederick Kergin, preparing for operation.