National Museum of Nuclear Science & History
Davis Black worked for the Kellex Corporation at the K-25 Plant.
Albert D. Alexander served in the 1st Ordnance Squadron.
Jay Wechsler enlisted in the Army in 1943 and spent several months at Oak Ridge working as an Army construction engineer, In the winter of 1943, he was suddenly transferred to Los Alamos, where he began working directly with Otto Frisch.
Gatlin worked in the United States Engineer District Office.
