National Museum of Nuclear Science & History
R. A. Smith worked for the H. K. Ferguson Company.
Margaret J. Nickson was a medical doctor in the Biology Division at the University of Chicago Met Lab.
General Lyle Edward “Skip” Seeman was a United States Army Corps of Engineers Officer. He was also a Manhattan Engineering District Special Assistant to General Groves at Los Alamos On May 3, 1945 Col Seeman was appointed by General Leslie Groves to be his Corps of Engineers liaison at Los Alamos.
R. L. Milling worked for the J.A. Jones Construction Company.