National Museum of Nuclear Science & History
John Rowell was a staff worker at Los Alamos during the Manhattan Project.
Evelyn Brown was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.
George Weil (1907-1995) was an American physicist. Weil was born in 1907 in New York City. He graduated from Harvard College in 1929 and then went on to earn a master’s and Ph.