National Museum of Nuclear Science & History
Cummins worked for Stone and Webster Engineering Corporation.
Spear worked at the 200 East Area at Hanford during the Manhattan Project.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Donald G. Sturges worked on the Manhattan Project. He went on to become director of the operations division at Hanford, WA, until he left to join private industry.
