National Museum of Nuclear Science & History
Evans worked in the United States Engineer District Office.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.
R. L. Campbell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
