C. D. McCulloh

Frank J. O’Donnell

S. L. Handforth

Handforth worked at the 200 West Area at Hanford during the Manhattan Project.

Roy V. Henderson

Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Burr H. Ritter

Burr H. Ritter was a chemical engineer at the Hooker Chemical Company in Niagara Falls, New York during the Manhattan Project.