National Museum of Nuclear Science & History
Elizabeth Greisen accompanied her husband, physicist Kenneth Greisen, to Los Alamos during the Manhattan Project.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
William Steadman was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harold Agnew (1921-2013) was an American physicist and director of the Los Alamos National Laboratory from 1970-1979.