Scottish-american naturalist (1838–1914).
John Muir ( MURE; April 21, 1838 – December 24, 1914), also known as "John of the Mountains" and "Father of the National Parks", was a Scottish-born American naturalist, author, environmental philosopher, botanist, zoologist, glaciologist, and early advocate for the preservation of wilderness in the United States. His books, letters and essays describing his adventures in nature, especially in the Sierra Nevada, have been read by millions. His activism helped to preserve the Yosemite Valley and Sequoia National Park, and his example has served as an inspiration for the preservation of many oth