National Museum of Nuclear Science & History
Duffer Crawford worked for the civilian contractor Kellex Coroporation in New York under the supervision of Judson Swearingen.
Jasper Brown Jeffries was an American physicist. Jeffries was born in Winston-Salem, North Carolina, on April 15, 1912.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
