Richard L. Conklin

A. E. Harmon

Alfred H. Zeltmann

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

Peggy M. Robins

Peggy Robins worked for the United States Engineer District Office.

Richard L. Doan

Richard L. Doan was the Director of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.