National Museum of Nuclear Science & History
Felix Sandoval was a staff worker at Los Alamos during the Manhattan Project.
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Donald William Kerst is an American physicist known for his development of the betatron in 1940 and the Water Boiler Reactor at Los Alamos during the Manhattan Project.