L.A. Johnston

Francis M. Steiner

R. S. Berry

R. S. Berry worked for the J.A. Jones Construction Company.

Milton Kahn

Milton Kahn was a Chemistry graduate student, at the University of California. Kahn focused on Radiochemistry throughout his career.

Thomas Farrell

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.