National Museum of Nuclear Science & History
Piper worked for Stone and Webster Engineering Corporation.
K. A. O'Connor worked for the Roane-Anderson Company.
Webster worked at the 200 East Area at Hanford during the Manhattan Project.
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.
Ed Zeigler worked for the United States Engineer District Office.