National Museum of Nuclear Science & History
Smith worked at the 200 East Area at Hanford during the Manhattan Project.
Helene Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
Mary Johns worked for the Tennessee Eastman Corporation at the Y-12 Plant.
