National Museum of Nuclear Science & History
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
John worked at Los Alamos during the Manhattan Project, as Enrico Fermi‘s bodyguard. He moved with his wife and daughter to Los Alamos in 1943.
George Frisbie served in the 603rd Air Engineering Squadron.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.