National Museum of Nuclear Science & History
Dyer worked in the United States Engineer District Office.
Sayers worked for Stone and Webster Engineering Corporation.
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.
R. H. Thompson worked for the H. K. Ferguson Company.
R. F. Conkling worked for the J.A. Jones Construction Company.