Frank D. Mason

William F. O’Brien

William O’Brien worked for the United States Engineer District Office.

Theodore Hall

Theodore “Ted” Hall (1925-1999) was an American physicist and an atomic spy who passed along detailed information about the implosion-type “Fat Man” bomb and several processes for purifying plutonium to the Soviet Union.

Harold J. Dorshimer

E. B. Gundberg

Gundberg worked for Stone and Webster Engineering Corporation.