National Museum of Nuclear Science & History
Barrett worked for Stone and Webster Engineering Corporation.
Coye Vincent was a staff worker at Los Alamos during the Manhattan Project.
Viola Vigil was a staff worker at Los Alamos 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.
Mary Sisk worked for the United States Engineer District Office.