Charles L. Brown

Edward J. Simon

Edward Simon worked for the Roane-Anderson Company.

Bernard C. Sesko

Bernard Sesko served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

T. J. O’Donnell

T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Mattie Lyday