American politician and environmentalist (1916–2005)
Nelson was the 35th Governor of Wisconsin from 1959 to 1963. Then, he became a United States Senator and founded Earth Day in 1970. He left the U.S. Senate in 1980. He then worked in a non-profit organization called The Wilderness Society.
- Seely, Ron (July 4, 2005). "A Wisconsin giant; Founding Earth Day one of many achievements of the former governor and senator Gaylord Nelson: 1916-2005". Wisconsin State Journal.
- "Nelson, Gaylord Anton". Encyclopedia.com.
- Aukofer, Frank A. "Gaylord Nelson: Earth Day founder was a voice crying out for the wilderness". Milwaukee Journal-Sentinel. Archived from the original on January 31, 2006.
- "Gaylord Nelson Wilderness - Apostle Islands National Lakeshore". National Park Service.