John C. Pringle

S.T. Cantrill

S. T. Cantrill was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Bruce Garner

Garner worked for Stone and Webster Engineering Corporation.

Duffer Crawford

Duffer Crawford worked for the civilian contractor Kellex Coroporation in New York under the supervision of Judson Swearingen.

D. Rathbone