National Museum of Nuclear Science & History
Barton B. Crespin served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
Joan Hinton (1921-2010) was an American physicist who later defected to China. Hinton was born into a precocious family.
David L. Patten served in the 1st Ordnance Squadron.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.