National Museum of Nuclear Science & History
Rich 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.
Block worked in the United States Engineer District Office.
Arthur Daniel Schelberg (1921-2009) was an American physicist. Schelberg was born in New York City. He studied at physics in Princeton, and was recruited to join the Manhattan Project at Los Alamos in 1943.