National Museum of Nuclear Science & History
L. F. Mayer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Herschel Warren was a staff worker at Los Alamos during the Manhattan Project.
Morris Meyer served in the 603rd Air Engineering Squadron.
