James J. Hinchey

Ralph Nobles

Ralph Nobles was one of three brothers to work on the Manhattan Project. He and his brother William worked at Los Alamos, while brother Robert was at the University of Chicago’s Metallurgical Laboratory.

V. A. Cheney

Cheney worked in the United States Engineer District Office.

John Tempka

John Tempka (1923-2017) was an American engineer. Tempka was born in Boydsville, Ohio. He was studying at the University of Detroit when he was recruited to join the U.

R. L. Bailey