National Museum of Nuclear Science & History
H. M. Ellis, Jr. worked for the Roane-Anderson Company.
Samuel R. Macaione was a member of the Special Engineering Detachment at Los Alamos. He was known primarily not for his work, but for his membership in the thirteen-member swing band at Los Alamos, "The Keynotes.
Harry Sadler worked for the A. S. Schulman Electric Company.