National Museum of Nuclear Science & History
Spencer worked for Stone and Webster Engineering Corporation.
Val Fitch (1923-2015) was a Nobel-Prize-winning American physicist. Fitch was drafted into the Special Engineer Detachment in 1943.
Paul Collins worked for the Roane-Anderson Company.
Dale Babcock was a physical chemist and colleague of Crawford Greenewalt. Greenewalt took Babcock and a few other close DuPont colleagues with him into the new world of atomic energy.