National Museum of Nuclear Science & History
Samual Watson was a machinist from Kirksy, Kentucky employed at Oak Ridge, Tennessee during the Manhattan Project.
Frank Fessenden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. R. Stubbs worked for the Roane-Anderson Company.
Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.