National Museum of Nuclear Science & History
Ray Mettelka worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
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.
Takala worked at the 100-F Area at Hanford during the Manhattan Project.
