O. K. Mikell

H. C. Seward

H. C. Seward worked for the Roane-Anderson Company.

Gertrude F. Steel

Gertrude Steel was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Wesley M. Jones

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.