National Museum of Nuclear Science & History
Joyce Clennam Stearns (1893-1948) was an American physicist who served as Director of the University of Chicago Metallurgical Laboratory (Met Lab) from November 15, 1944 to July 1, 1945.
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.