Geologist Ferdinand Hayden directed the first scientific exploration of Yellowstone in 1871, leading directly to the founding of the world’s first national park the following year.
Geologist Ferdinand Hayden directed the first scientific exploration of Yellowstone in 1871, leading directly to the founding of the world’s first national park in the following year. Hayden’s noteworthy achievements in science and conservation, however, are clouded by his views of Indigenous people.