C. L. Burt

H. C. Seward

H. C. Seward worked for the Roane-Anderson Company.

Herbert Silverstone

Herbert Silverstone was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Bernice Feldman

Bernice Feldman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

F. T. Hayden