National Museum of Nuclear Science & History
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.
Norris Bradbury (1909-1997) was an American physicist and director of the Los Alamos National Laboratory from 1945-1970.
