Henry David Thoreau - John Muir - Aldo Leopold

Aldo Leopold
January 11, 1997 - April 21, 1948
Leopold was an American author, scientist, ecologist, forester, conservationist, environmentalist and scientist. He was a professor at the University of Wisconsin and is best known for his book, A Sand County Almanac (1949), which he has sold more than two million copies. Leopold was influential in the development of modern environmental ethics and in the movement for wilderness and wildlife conservation. His ethics of nature and wildlife preservation had a profound impact on the environmental movements, with his econcentric ethics regarding land.

"Conservation is a state of harmony between men and land." - Aldo Leopold