National Museum of Nuclear Science & History
Charles C. Lauritsen was a Danish-born American physicist. Lauritsen and his wife Sigrid and son Thomas emigrated to the United States in 1916.
Ercole E. Motta was a research assistant at the University of Chicago Met Lab. He studied ways to determine the boron content of uranium oxide.
Jens Thornton, or “Jim” (as he went by at Berkeley) was an electrical engineer employed by Stone & Webster engineering firm during the Manhattan Project.