National Museum of Nuclear Science & History
Mortimer Schwartz served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Bob Emigh was in the Navy and worked with Deak Parsons on telemetry for the bombs. He was assigned as the science officer for the planned third bomb.
Ruth Rhoades was an associate biologist at the Metallurgical Laboratory in Chicago during the Manhattan Project.