Nelmar J. Rigstad

Charles Schoeder

Charles Schoder was a staff worker at Los Alamos during the Manhattan Project.

Marilyn (Evans) Howe

Marilyn (Evans) Howe was a research assistant in the Technical Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Weldon Howard

H. G. Singleton

H. G. Singleton worked for the Roane-Anderson Company.