National Museum of Nuclear Science & History
E. S. Ryan, Jr. worked for the Poe Piping & Heating Company.
Gagen worked in the United States Engineer District Office.
Jerry Grubaugh, Jr. 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 Next Objective.
Thomas Farrell (1891 – 1967) was a major general in the US Army. Farrell was hand-picked by General Groves to serve as his deputy, or as the Deputy Commanding General of the Manhattan Project.