National Museum of Nuclear Science & History
M. G. Sonner worked for the J.A. Jones Construction Company.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Percy Phillips served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
E. T. O'Conner worked for the Roane-Anderson Company.
