National Museum of Nuclear Science & History
W. A. Chalkley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Armand C. Covatto served in the 603rd Air Engineering Squadron.
Bradley Jr. worked at the 200 West Area at Hanford during the Manhattan Project.
M. K. Walden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.