National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Evelyne Litz worked in health physics and as a librarian during the Manhattan Project at Los Alamos and the Chicago Met Lab.
Sidney Yenny was a staff worker at Los Alamos during the Manhattan Project.
Tom Wood was a staff worker at Los Alamos during the Manhattan Project.
C. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.