National Museum of Nuclear Science & History
Roger Sutton (1916-2000) was a Canadian-American physicist. Sutton was born in Lloydminster, Saskatchewan.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Colonel Franklin Matthias (1908 – 1993) was the officer-in-charge at the Hanford site. Matthias, a civil engineer, had been a close associate of General Groves since the beginning of the Manhattan Project, and was asked to review sites in the West.
