Ivan G. McCall

Charles E. Plont

E. J. Bloch

Bloch worked in the United States Engineer District Office.

Alfred P. Wiora

Alfred “Al” Wiora served in the army at Los Alamos during the Manhattan Project. He studied at the University of Pennsylvania and later worked at the Hughes Aircraft Company in Tuscon, Arizona.

Dwight E. Clark

Clark worked in the United States Engineer District Office.