Ellis E. Cozad

H. A. Rehnberg

H. A. Rehnberg worked for the Kellex Corporation at the K-25 Plant.

R. F. Campbell

Campbell worked for Stone and Webster Engineering Corporation.

Scott L. Ballard

Lawrence H. Johnston

Lawrence H. Johnston was an American physicist. After receiving his bachelor’s degree in physics from the University of California, Berkeley in 1940, Johnston followed his mentor Luis Alvarez to MIT.