National Museum of Nuclear Science & History
George Kistiakowsky (1900-1982) was a Ukrainian-American physical chemist. He joined the Manhattan Project in late January 1944, leaving his role as chief of the National Defense Research Committee’s Explosives Division.
Bradford worked in the United States Engineer District Office.
Fred Saak served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
