J. W. O’Rourke

T. A. Bartlett

R. R. Wisner

Wisner worked for Stone and Webster Engineering Corporation.

James Tuck

James Leslie Tuck was a British physicist and a member of the British Mission to Los Alamos during the Manhattan Project.

Charles W. Hagen

Charles W. Hagen was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.