National Museum of Nuclear Science & History
Don Simpson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Rose worked as a welder at the Allis-Chalmers Manufacturing Company in West Allis, Wisconsin from November 1943 to April 1946.
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.
