E. N. Carples

C. L. McCormick

G. E. Johnson

G. E. Johnson worked for the United States Engineer District Office.

Alfred H. Zeltmann

Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

N. R. Gagen

Gagen worked in the United States Engineer District Office.