National Museum of Nuclear Science & History
Robert Thompson was a staff worker at Los Alamos during the Manhattan Project.
Edward Prebel served in the 393rd Bombardment Squadron.
Ruth A. Casler was a lab technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Elrod worked for Stone and Webster Engineering Corporation.
Winston Grice was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
