National Museum of Nuclear Science & History
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Alma Sheffler worked for the United States Engineer District Office.
Baldwin Sawyer is an American metallurgist. After graduating from Yale with a B.S. in Physics in 1943, Sawyer joined the Manhattan Project at the University of Chicago.
A. L. Smith worked for the J.A. Jones Construction Company.
