G. N. Hedreen

F. T. Taylor

Taylor worked for the Stone and Webster Engineering Corporation.

Ethaline H. Cortelyou

Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Sidney H. Yenny

Sidney Yenny was a staff worker at Los Alamos during the Manhattan Project.

Harry M. Jordan