V. B. Larson

K. R. Brown

Brown worked in the United States Engineer District Office.

James M. Bailey

J. A. Copeland

J. A. Copeland worked for the Poe Piping & Heating Company.

H.A. Fettinger

H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.