National Museum of Nuclear Science & History
Attended Pennsylvania State University.
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John B. Kennedy served as a sergeant in the 393rd Bombardment Squadron.
Graydon Whitman arrived at Oak Ridge in March 1944, where he began work at the Y-12 separations facility.