National Museum of Nuclear Science & History
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.
Cloyd Marvin had been drafted into the Army, interrupting his education at Haverford University, in 1943 and joined the Special Engineer Detachment as a technician third grade, later being assigned to Los Alamos National Labs in 1947.
Hull worked at the K-25 plant at Oak Ridge during the Manhattan Project. He was also a member of the K-25 basketball team.
Richard Watts was a research assistant at the Chicago Met Lab and at Los Alamos during the Manhattan Project.