View images of National Park supporters like George Dorr, Horace Albright, Stephen Mather, and John Muir. See images of scientists who studied the parks, like Adolph Murie and George Wright. Artists, like George Masa and Horace Kephart, and inspired political figures, like Martin Luther King and Franklin D. Roosevelt. The creation of America’s National Parks was an idea that grew out of a sense of pride in the country’s ecological and geographic diversity. The park system would never be a reality if not for the passion and dedication of the conservationists, philanthropists, scientists, artists, and tourists who believed in the idea.