O.H. Newton

Helen E. Krinek

Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Carl H. Dunnebecke Jr.

Dunnebecke worked in the United States Engineer District Office.

J. L. Hawkins

P. B. Shepherd

Shepherd worked for Stone and Webster Engineering Corporation.