National Museum of Nuclear Science & History
Walter Main worked for the United States Engineer District Office.
Evelyn Dunbar was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
N. L. Walgamotte served in the 390th Air Service Group.
Carlson worked for Stone and Webster Engineering Corporation.
Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.