<P> John Muir ( / mjʊər / ; April 21 , 1838 -- December 24 , 1914 ) also known as `` John of the Mountains '' and `` 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 . 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 Sierra Club , which he co-founded , is a prominent American conservation organization . The 211 - mile ( 340 km ) John Muir Trail , a hiking trail in the Sierra Nevada , was named in his honor . Other such places include Muir Woods National Monument , Muir Beach , John Muir College , Mount Muir , Camp Muir , Muir Grove , and Muir Glacier . In Scotland , the John Muir Way , a 130 - mile - long route , was named in honor of him . </P>
<P> John Muir ( / mjʊər / ; April 21 , 1838 -- December 24 , 1914 ) also known as `` John of the Mountains '' and `` 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 . 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 Sierra Club , which he co-founded , is a prominent American conservation organization . The 211 - mile ( 340 km ) John Muir Trail , a hiking trail in the Sierra Nevada , was named in his honor . Other such places include Muir Woods National Monument , Muir Beach , John Muir College , Mount Muir , Camp Muir , Muir Grove , and Muir Glacier . In Scotland , the John Muir Way , a 130 - mile - long route , was named in honor of him . </P>
who is credited as the founder of the sierra club
who is credited as the founder of the sierra club
John Muir
John Muir