National Museum of Nuclear Science & History
Rozel E. Curtis was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.
Thaddeus J. Seweryniak served in the First Ordnance Squadron.
Lou Evelyn Weisser was a staff worker at Los Alamos during the Manhattan Project.
