National Museum of Nuclear Science & History
Guenther worked in the United States Engineer District Office.
Raymond Lowrey worked at the Hanford, Washington site for the Manhattan Project from 1943 to 1948. Lowrey began his career in the Oklahoma Ordnance Works before moving to Hanford and settling in Richland, Washington after the war.
Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.
