National Museum of Nuclear Science & History
Charles Mignon 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.
Gerry Pawlicki was an American physicist. Pawlicki was born in 1921. He received a B.S. in physics at De Paul University in Chicago, and soon after was hired to work on the Manhattan Project at the Chicago Met Lab as a member of the instruments division.