John Muir loved the land. Born in 1838, he was a writer, a scholar, an inventor, a shepherd, a farmer, and an explorer. But above all, he was a naturalist. John Muir was particularly devoted to the high cliffs, waterfalls, and ancient giant sequoia trees that, through his careful influence, were set aside as Yosemite, Beautiful Feet Books resource: https://www.bfbooks.com/products/john-muir-americas-first-environmentalist