National Museum of Nuclear Science & History
W. H. Wilson worked for the H. K. Ferguson Company.
Lawrence B. Magnusson was a research associate at the Metallurgical Laboratory at the University of Chicago.
Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.
John Mench was assigned to the Special Engineer Detachment at Los Alamos where he worked as a pattern maker, creating wooden casts for metal work at the site’s foundry.
