National Museum of Nuclear Science & History
Esequiel “Zeke” Salazar began working at Los Alamos during the Manhattan Project. His first jobs were as a carpenter and a rod-man assisting surveyors for the Robert E.
T. L. Leahy worked for the United States Engineer District Office.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.