National Park Service personnel

American author and essayist (1927-1989)

American park ranger

American novelist

Wilderness activist and publicist (1861-1945)

American landscape architect (1912–2004)

American entrepreneur, activist, park ranger (1921–2025)

cartoonist (1902-1991)

first national park ranger, Yellowstone National Park

former managing director of the Council on Environmental Quality (CEQ)

American filmmaker

American park ranger, naturalist, author, botanical collector and teacher (1896 – 1981)