National Museum of Nuclear Science & History
John Sullivan was a staff worker at Los Alamos during the Manhattan Project.
Attended Drexel University.
Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.
Joseph I. Gulick served as a technical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
