Elmer H. Welsh

George Caldwell

George Caldwell worked for the J.A. Jones Construction Company.

Hilda C. Uchiyamada

Hilda Uchiyamada was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

William A. Pope

Beatrice Foreman

Beatrice Foreman was a laboratory technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.