National Museum of Nuclear Science & History
Elberta Honstein (née Lowdermilk) was the daughter of Elbert Lowdermilk, the contractor whose construction company, Lowdermilk Brothers, built roads and utility lines around Los Alamos during the Manhattan Project.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.