National Museum of Nuclear Science & History
H. L. Smith worked for the Roane-Anderson Company.
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.
J. B. Theno served in the 390th Air Service Group.
Richard Lyon was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.