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National Museum of Nuclear Science & History

Related Profiles

John D. Hopper

Tinian Island

John D. Hopper served as a civilian in Project Alberta. 

James F. Gregory

Los Alamos, NM

Sam Tarson

K-25 Plant

Attended the University of Missouri School of Mines.

Homer M. O’Callaghan

Tinian Island

Homer M. O’Callaghan served in the 1st Ordnance Squadron.