National Museum of Nuclear Science & History
Robert Gustison was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Stanley Liebert was a machinist in the SAM Laboratory at Columbia University between 1944 and 1945.
Nathan Sugarman (1917-1990) was a nuclear chemist who worked at both Los Alamos and the Chicago Met Lab during the Manhattan Project.