Helmer Swenholt
Helmer Swenholt was born in Wittenberg, Shawano County, Wisconsin . Having pursued a degree in engineering, he put his education to work in the Army Corps of Engineers. He was an officer and Veteran of World War I, and after the war continued his service in the Army Corps of Engineers. In World War II, Swenholt organized one of the first of the Engineer Regiments, a new type of combat engineer organization. At the wars conclusion Swenholt returned to the United States and retired from the Army.
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Source: Wikipedia