National Museum of Nuclear Science & History
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
J. M. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William J. Nicholson was born on March 2, 1924 in Chicago, Illinois. Growing up, he was interested in engineering, aviation, and aeronautics.