Raymond G. Knapp

H. Bryant Jr.

H. Bryant Jr. worked in the Instrument Section at the University of Chicago Met Lab during the Manhattan Project.

Henry Robert Barwick

Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.

Philip Cooperman

Philip Cooperman was a member of the Special Engineer Detachment on the Manhattan Project from 1944-1946.

S. D. Crenshaw