National Museum of Nuclear Science & History
Lewis Worth Seagondollar was an American physicist who worked at Los Alamos during the Manhattan Project.
Dick Kosh was an American physicist. He worked at the Los Alamos site during the war, arriving from the University of Wisconsin, Madison, and then stayed afterwards.
Melvin S. Friedman was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.