Our National Parks (1901). By: John Muir: John Muir ( April 21, 1838 - December 24, 1914) also known as "John of the Mountains", was a Scottish-American naturalist, author, environmental philosopher, glaciologist and early advocate for the preservation of

John Muir ( April 21, 1838 - December 24, 1914) also known as "John of the Mountains", was a Scottish-American naturalist, author, environmental philosopher, glaciologist and early advocate for the preservation of wilderness in the United States. His letters, essays, and books describing his adventures in nature, especially in the Sierra Nevada, have been read by millions. His activism has helped to preserve the Yosemite Valley, Sequoia National Park and many other wilderness areas. The Sie...