National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
Paul Numerof (1922-2013) was an American chemist. In his early years, Numerof studied at Temple University.
Helen Pellock (1926-1957) was a technician in the Chemistry Division of the Chicago Met Lab, working under Glenn Seaborg.
Jim Elsea worked for the Tennessee Eastman Corporation at the Y-12 Plant.
