National Museum of Nuclear Science & History
George Hanley worked for Hanley & Company.
Robert P. Matthews worked as a member of Project Alberta, the team that transported and assembled the Fat Man and Little Boy atomic bombs.
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
Gale Young was a research associate in theoretical studies at the University of Chicago Met Lab. Before joining the Manhattan Project in 1942, Young taught mathematics and physics at Olivet College.
