National Museum of Nuclear Science & History
Samual Watson was a machinist from Kirksy, Kentucky employed at Oak Ridge, Tennessee during the Manhattan Project.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.
D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.
W. G. Butler worked for the J.A. Jones Construction Company.