National Museum of Nuclear Science & History
Attended the University of Pennsylvania.
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.
Svoboda worked for Stone and Webster Engineering Corporation.
Roger Sr was a mechanical engineer having graduated from Stanford University during World War II. He and his wife, Katherine Barnes were recruited by the FBI who made contact with them at the Santa Fe training station when they were leaving town, after their honeymoon at Ghost Ranch.