Aldo Leopold

1887 - 1948

Aldo Leopold (1887–1948) was an American ecologist, forester, and environmentalist. He is known as the author of "A Sand County Almanac," which has had a profound impact on the development of modern environmental ethics and the conservation movement in the United States. Leopold's work emphasized the importance of biodiversity, land ethics, and the interconnectedness of humans and the natural world.