J. A. Grady

Paul Sperling

Paul Sperling was a staff worker at Los Alamos during the Manhattan Project.

Frank R. Johnson

Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Robert P. Matthews

Stanley G. Steinke

Stanley G. Steinke was a second lieutenant in the 393rd Bombardment Squadron of the  509th Composite Group.