Ross S. Thackeray

Jay Wechsler

Jay Wechsler enlisted in the Army in 1943 and spent several months at Oak Ridge working as an Army construction engineer, In the winter of 1943, he was suddenly transferred to Los Alamos, where he began working directly with Otto Frisch.

H. J. Sykes

Sykes worked for Stone and Webster Engineering Corporation.

Henry E. Fritz

Henry Fritz was a chemist in the Special Engineering Detachment assigned to the K-25 Plant in Oak Ridge, Tennesee.

Evelyn Peters