Arne T. Anderson

Frank Coogler, Jr.

Coogler worked at the Oak Ridge project site during the Manhattan Project as a member of the U.S. Army Corps of Engineers.

C. B. Pettitt

Emmert L. Nelson

Emmert L. Nelson served in the 393rd Bombardment Squadron.

Clarence H. Mathews

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