National Museum of Nuclear Science & History
Barr worked for Stone and Webster Engineering Corporation.
Alan Vorwald was a mathematician in the Special Engineer Detachment at Los Alamos. Vorwald was a part of the theoretical physics division under Hans Bethe and Richard Feynman, specializing in the computing department.
Leon D. Smith joined the Manhattan Project in 1944 and was assigned to the 509th Composite Group at Wendover Airfield in Utah.
William L. Strohecker (1900-1986) was a civil scientist working at Los Alamos during the Manhattan Project.