National Museum of Nuclear Science & History
Ernest E. Wollan was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.
A. L. Longshore worked for the United States Engineer District Office.
Charles Raeth was a research assistant at the Chicago Met Lab during the Manhattan Project.