National Museum of Nuclear Science & History
Stanley Anhalt was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hans Bethe (1906-2005) was a German-American nuclear physicist and winner of the 1967 Nobel Prize in Physics.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
J. E. Southerland worked for the United States Engineer District Office.