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.
Jacob Y. Bontekoe served as 2nd lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Edison Parker, Jr. served in the 603rd Air Engineering Squadron.
Joseph Mullaney was a staff worker at Los Alamos during the Manhattan Project.