National Museum of Nuclear Science & History
Leonard Quartararo was a staff worker at Los Alamos during the Manhattan Project.
R. M. Van Petten worked for the Kellex Corporation at the K-25 Plant.
Arthur Robert Sayer was a physicist. He had a doctorate from Harvard in Astronomy, and worked on the Manhattan Project at Los Alamos.
William J. Nicholson was born on March 2, 1924 in Chicago, Illinois. Growing up, he was interested in engineering, aviation, and aeronautics.