National Museum of Nuclear Science & History
Attended the University of North Carolina.
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
Colonel Franklin Matthias (1908 – 1993) was the officer-in-charge at the Hanford site. Matthias, a civil engineer, had been a close associate of General Groves since the beginning of the Manhattan Project, and was asked to review sites in the West.
Ellen Skirmont was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.