J.E. Irwin

Blanche J. Lawrence

Blanche J. Lawrence was an African-American research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

David Liberman

Felix P. Sandoval

Felix Sandoval was a staff worker at Los Alamos during the Manhattan Project.

Walter J. Bonczek

Walter J. Bonczek served in the 393rd Bombardment Squadron.