National Museum of Nuclear Science & History
Roger Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. J. Allinson worked for the Kellex Corporation at the K-25 Plant.
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
Attended the University of Kentucky.
Crenner worked at the 300 Area at Hanford during the Manhattan Project.
