Onel A. Sprague

Rudolph J. Tucka

Philip C. McKenna

Philip C. McKenna was a laboratory assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Dieter Kurath

Dieter Kurath was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

Christopher F. Schroeder, Jr.