John Clark Salyer II

American conservationist

American photographer and environmentalist

American environmentlaist

American ornithologist and collector

American environmentalist

American environmentalist

American artist, mountaineer, skier, environmentalist and Antarctic explorer

American writer, humorist, fisherman, environmentalist and conservationist

American banker, conservationist and botanist

American historian, writer, and environmentalist

American forester

American environmentalist, conservationist, and lawyer

American professor of law specializing in constitutional law and environmental issues