Gordon T. Hewitt

Sidney M. Major, Jr.

Sidney Major, Jr. worked for the United States Engineer District Office.

D.D. Smith

R. J. Wolfe

R. J. Wolfe worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Ralph A. James

Ralph A. James (1920-1973) was a research associate in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.