John Muir (April 21, 1838 – December 24, 1914) was a Scottish-born American naturalist, author, and early advocate of conservation of U.S. wilderness.

John Muir

John Muir (April 21, 1838 – December 24, 1914) was a Scottish-born American naturalist, author,…

(1838-1914) American geologist, naturalist, explorer, and one of the first preservationists.

John Muir

(1838-1914) American geologist, naturalist, explorer, and one of the first preservationists.

An extinct subspecies of the zebra.

Quagga

An extinct subspecies of the zebra.