National Museum of Nuclear Science & History
J. M. Ryan worked for the United States Engineer District Office.
E. J. Presser served in the 390th Air Service Group. After the war, Presser was assigned to the Japan Atomic Bomb Damage Survey teams.
Rolf Landshoff (1911-1999) was a German-American physicist. Soon after receiving a Ph.D. in engineering from the Institute of Technology in his native Berlin, Landshoff began to feel nervous about his place in his home country.
