National Museum of Nuclear Science & History
Ralph Crisco worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph R. Lewis served in the 603rd Air Engineering Squadron.
Eva Pennartz worked for the Roane-Anderson Company.
Herschel Warren was a staff worker at Los Alamos during the Manhattan Project.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.
