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.
Dorothy worked at Oak Ridge during the Manhattan Project as a “calutron girl.” After her brother was killed in the attack on Pearl Harbor, she was eager to join the war effort, and did so starting in 1944.