National Museum of Nuclear Science & History
Melvin L. Dietrich worked as a welder and electrician in a number of facilities across the Oak Ridge, Tennessee facility.
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William Stewart was an engineer in the Special Engineering Detachment at Los Alamos, New Mexico. Specifically, Stewart worked in “Project Trinity” under the leadership of George Kistiakowsky and Kenneth Bainbridge.
Irving worked at the 300 Area at Hanford during the Manhattan Project.
