P. C. Hoell

Larry Rau

Rau worked for Stone and Webster Engineering Corporation.

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.

Frank C. Holden

Frank Holden was a member of the Special Engineering Detachment at Los Alamos. 

Marshall E. Slayden, Jr.