National Museum of Nuclear Science & History
Hester Moore was a supervisor in the Communications Department at the Manhattan Project’s Hanford, Washington site during World War II.
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Frank Rissbacher served in the 1027th Air Materials Squadron.
John Brand joined the Manhattan Project in 1943 while working at the Ilion, N.Y. plant of Remington Arms, Co.