John Muir (1838–1914) Scottish-born American naturalist and author
letter to Mrs. Ezra S. Carr, from Yosemite Valley (September 1874); published in William Federic Badè, The Life and Letters of John Muir http://www.sierraclub.org/john_muir_exhibit/life/life_and_letters/default.aspx (1924), chapter 11: On Widening Currents <br class="br">1870s