High Quality Content by WIKIPEDIA articles! Walton "Kip" Danforth Stowell (January 30, 1936–January 20, 2009) was an American architect and historic preservationist, best known for his work for the U.S. National Park Service in designing visitors centers and interpretive exhibits in U.S. National Parks throughout the country. For most of his career, he worked at the Harpers Ferry Design Center which is responsible for architectural design and interpretive planning in National Parks.