National Museum of Nuclear Science & History
Mearns worked in the 100 D Area at Hanford during the Manhattan Project.
Evans worked at the 300 Area at Hanford during the Manhattan Project.
J. B. Fletcher worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
