G. T. Cooper

D. B. Cook

Cook worked at the 100-F Area at Hanford during the Manhattan Project. 

Lawrence O’Rourke

Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.

S.T. Cantrill

S. T. Cantrill was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Louis P. Cowles