National Museum of Nuclear Science & History
Ernest Mekanas was a member of the Provisional Engineering Detachment at Los Alamos. Mekanas was in Los Alamos from 1943 to 1945, working primarily at the post office.
F. B. Vaughn worked for Clinton Laboratories at the X-10 Reactor.
H. F. Gibbs worked for the A. S. Schulman Electric Company.
