National Museum of Nuclear Science & History
S. W. Barnes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.
Fred Brownell worked for the Comstock-Bryant Electric Company.
Edward worked at Los Alamos during the Manhattan Project.