. . . "Leopold, Aldo"@en . . "1886-01-11Z"^^ . "American writer and scientist" . . "Aldo Leopold (January 11, 1887 \u2013 April 21, 1948) was an American author, scientist, ecologist, forester, conservationist, and environmentalist. He was a professor at the University of Wisconsin and is best known for his book A Sand County Almanac (1949), which has sold more than two million copies.Leopold was influential in the development of modern environmental ethics and in the movement for wilderness conservation."@en . "1886Z"^^ . "Aldo Leopold"@en . "1887-01-11Z"^^ . . . . . . . "1948Z"^^ . . . . "1948-04-21Z"^^ .