National Museum of Nuclear Science & History
Fermin Vigil was a staff worker at Los Alamos during the Manhattan Project.
Sheets worked for Stone and Webster Engineering Corporation.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.
George A. Skidmore served in the First Ordnance Squadron.
