National Museum of Nuclear Science & History
L. R. Zumwalt worked for the United States Engineer District Office.
John “Jack” Carleton Healey, a colonel in the U.S. Air Force, participated in the Manhattan Project as part of General Groves’ staff in Washington, DC.
Brown worked in the United State Engineer District Office.
Frederick Richmond, Jr.
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.