National Museum of Nuclear Science & History
J. B. Kaiser worked for the Midwest Piping and Supply Company.
Arnold Swanson served in the Army at Los Alamos during the Manhattan Project.
George Block served in the 1st Ordnance Squadron.
J. E. Kyle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Natalie Marshall worked at Los Alamos on the Manhattan Project. She was married to Shad Marshall, who also worked on the project.
