National Museum of Nuclear Science & History
W. W. Johnson worked for the Kellex Corporation at the K-25 Plant.
George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jay Scherer was a staff worker at Los Alamos during the Manhattan Project.
G. R. McDade worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jerome Otto Ackerman was a member of the Special Engineer Detachment who served as a group leader at Los Alamos during the Manhattan Project.