National Museum of Nuclear Science & History
W. E. S. Trenchard worked for the J.A. Jones Construction Company.
Charles Critchfield (1910-1994) was an American mathematical physicist. In December 1942, he was approached by J.
Peters worked for Stone and Webster Engineering Corporation.
J. P. Valliant worked for the Union Carbide & Carbon Corporation.
Charles D. Coryell (1912-1971) was an American chemist. In 1942 Coryell left MIT and became Chief of the Fission Products Section of the Manhattan Project.