Frederick D. Kopka

M. J. O’Hara

M. J. O'Hara worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Betty Lou Runyan

Betty Lou Runyan was a staff worker at Los Alamos during the Manhattan Project.

C. A. Rolander

C. A. Rolander worked for the United States Engineer District Office.

Edward G. Kropp