National Museum of Nuclear Science & History
Barr worked for Stone and Webster Engineering Corporation.
Darol Froman (1906-1997) was an American-born, Canadian physicist. In 1939, Darol Froman studied waveguides and radar as part of a McGill group dedicated to helping the Canadian war effort.
Lawrence Antos was a member of the Military Police at Los Alamos. His primary responsibility was checking the passes of civilians entering and exiting Los Alamos.
J. T. Murphy worked for the United States Engineer District Office.