J. F. Marine

Richard C. Ungemach

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

L.J. Rowberg

B. E. Thomas

B. E. Thomas worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Hugo Leckelt

Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.