National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Hopkins worked at the 200 West Area at Hanford during the Manhattan Project.
Albert Cahn, Jr. (1910-1978) was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Henry J. Pepe served in the 1st Ordnance Squadron.
