National Museum of Nuclear Science & History
H. W. Butsch worked for the William A. Pope Company.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Attended Brooklyn College.
Pettengill served in the 393rd Bombardment Squadron.
Raymond Frank was a metallurgist at the University of Chicago and stayed with the Met Lab after graduating from the university.