National Museum of Nuclear Science & History
H. O. Arnold worked for the Kellex Corporation at the K-25 Plant.
Ray worked at the 100-F area at Hanford during the Manhattan Project.
Lyman Parratt (1908-1995) was an American physicist. Parratt was born in Salt Lake City. He studied at the University of Utah and earned a Ph.
O'Brien worked for Stone and Webster Engineering Corporation.
