ผู้เขียน: S. Hall Young

John Muir (1838 – 1914) also known as “John of the Mountains” and the “Father of the National Parks”, was an influential Scottish-American naturalist, author, environmental philosopher, glaciologist, and early advocate for the preservation of wilderness in the United States of America. 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.