J. Williams

Hugh Barnett

Hugh Barnett worked for the Union Carbide & Carbon Corporation at Manhattan, NY and Oak Ridge, TN during the Manhattan Project.

Francis J. Eder

Helen E. Mulvihill

Helen Mulvihill was the commander officer of the Women’s Army Corps at Los Alamos during the Manhattan Project.

George Kistiakowsky

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.