National Museum of Nuclear Science & History
Ruth Hillard was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert M. Donnell served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the flight engineer regularly assigned to the B-29 Strange Cargo.
Clyde R. Beecher served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
