R.T. Hulbush

Walter S. Carpenter, Jr.

Walter Samuel Carpenter, Jr. was a corporate executive at DuPont who oversaw the company's involvement in the Manhattan Project.

J. W. Hensley

Hensley worked for the Stone and Webster Engineering Corporation.

Eleanor Eekwald

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

J. A. Downes