National Museum of Nuclear Science & History
R. L. Bennett worked for the Roane-Anderson Company.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
W. D. Bales worked for the Southern Bell Telephone Company.
William J. Nicholson was born on March 2, 1924 in Chicago, Illinois. Growing up, he was interested in engineering, aviation, and aeronautics.