National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Charles Allen Thomas (1900-1982) was an American chemist and industrial leader. Thomas was recruited to join the Manhattan Project in 1942 by General Groves, who offered him a postion as a deputy to Robert Oppenheimer, the director of the Los Alamos Laboratory in New Mexico.
Sergeant Ralph Curry was a Radio Operator assigned to the Bockscar’s original crew. He was a member of the 393rd Bombardment Squadron, a segment of the 509th Composite Group.