National Museum of Nuclear Science & History
Collie worked in the United States Engineer District Office.
Arthur Harold Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Tomlinson worked at the 100-D Area at Hanford during the Manhattan Project.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
