National Museum of Nuclear Science & History
Harlan Tyne worked for the United States Engineer District Office.
Arthur N. Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gay Lingley worked for the United States Engineer District Office.
