C. H. Hemmel, Jr.

Walter J. Glovier

Thelma M. Dyer

Dyer worked in the United States Engineer District Office.

Swan B. Swanson

Swan Swanson was a staff worker at Los Alamos during the Manhattan Project.

Clarence H. Mathews

Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.