National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
Attended Bucknell University.
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.
M. M. MacDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.