National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Philip Martin Whitman was an American mathematician who worked at Los Alamos during the Manhattan Project.
William Brilliant was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.