National Museum of Nuclear Science & History
J. P. Speed worked for the Poe Piping & Heating Company.
Tommye Williamson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frank Graham worked for the Midwest Piping and Supply Company.
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
A. Castle worked for the Roane-Anderson Company.
