National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
Frank W. Berzinis served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
Stafford Leak “Staff” Warren was a Colonel in the Army Medical Corps and the Chief Medical Officer of the Manhattan Engineer District (MED).
Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
