Richard B. Tillson

L. R. Wallace

Thomas D. Sommerville

Thomas Sommerville worked for the Watson-Flagg Engineering Company.

K. Langosch

K. Langosch worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

Simon Broder

Simon Broder worked on the Manhattan Project at Oak Ridge, TN, supervising installation of equipment and studying patent problems.