Sanford L. Willner

R. G. Cooper

R. G. Cooper worked for the Union Carbide & Carbon Corporation.

J. C. Poole

T. A. LaRoe

T. A. LaRoe worked for the United States Engineer District Office.

S.T. Cantrill

S. T. Cantrill was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.