National Museum of Nuclear Science & History
M. E. Ridge worked for the United States Engineer District Office.
Watkins worked at the 100-B Area at Hanford during the Manhattan Project.
Horace Russell was a staff worker at Los Alamos during the Manhattan Project. He graduated from Duke in 1938 with a degree in chemistry and was remembered by his classmates as a brilliant chemist.
Wright worked at the 100-F Area at Hanford during the Manhattan Project.