National Museum of Nuclear Science & History
Charles Swenson worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Sergeant Abe Spitzer was a radio operator who witnessed both the bombings of Hiroshima and Nagasaki. He served as the radio operator for The Great Artiste, which served as the blast measurement instrumentation aircraft during the Hiroshima bomb mission.
Nicholson worked for Stone and Webster Engineering Corporation.
Cecil B. Flournoy served in the 603rd Air Engineering Squadron.