| |  | John Muir was one of the first modern preservationists. His letters, essays, and books telling of his adventures in nature, and wildlife,... |  | Carl Pope
male
(San Francisco, ca, United States)
Carl Pope is the Executive Director of the Sierra Club, an American environmental organization founded by conservationist pioneer John Muir in... |  | Paul Rauber is a Senior Editor at the Sierra Club magazine, an American environmental organization founded by conservationist pioneer John Muir in... |  | Adam Werbach Adam Werbach is Founder and CEO of Act Now. He is highly regarded as one of the world’s experts in sustainability. At age 23, Ad... |  | Norman Clyde was a famous mountaineer, nature photographer, and self trained naturalist. He is well-known for achieving over 100 first ascents,... | | | Philip Hyde (1921-2006) was a pioneer landscape photographer and conservationist. He attended Ansel Adams' photography program at the California... |  | Edgar Wayburn (born September 17, 1906) is a noted environmentalist who was elected president of the Sierra Club five times in the 1960s. One of... |  | Francis Peloubet Farquhar (31 December 1887, Newton, Massachusetts - 21 November 1974 in Berkeley, California) graduated from Harvard and came to... |  | John H. Tanton, M.D. is a retired eye surgeon from Petoskey, Michigan, the founder of U.S. English, the founding chairman of ProEnglish, and... |  | Bruce S. Kershner (April 17, 1950 in Brooklyn, New York, USA, died February 16, 2007 in Cheektowaga) was an environmentalist, author and forest... | |
