National Museum of Nuclear Science & History
Annen worked for Stone and Webster Engineering Corporation.
James Sircom Allen (1911-1982) was a Canadian-American physicist who worked at the Massachusetts Institute of Technology and Los Alamos during the Manhattan Project.
N. J. Zammarrelli served in the 390th Air Service Group.
Ralph Berger was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.