National Museum of Nuclear Science & History
McGruder worked for Stone and Webster Engineering Corporation.
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.
R. H. Martin worked for the United States Engineer District Office.
Floyd Jessee was a member of the Military Police at Los Alamos.
