National Museum of Nuclear Science & History
Percy Phillips served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
Fred Houston worked for the United States Engineer District Office.
Brown worked at the 100-F Area at Hanford during the Manhattan Project.
