Albert J. Gibavitch

Olga M. Klicek

Olga M. Klicek was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. M. Harrison

H. B. Hansard, Jr.

H. B. Hansard, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Richard C. Ungemach

Richard Ungemach served in the army at Los Alamos during the Manhattan Project.