Joseph C. Bushee

L. J. Lamb

John Costa

John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Madonna Elaine Thennes

Madonna Elaine Thennes was in born 1925. When she had just graduated from high school in Pocahontas, Arkansas, in 1943, her father told her the military had good-paying jobs for civilians in a new place in Oak Ridge, Tennessee.

David Greenglass

David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.