William C. Tweed, a freelance naturalist, historian, and writer, has lived in Three Rivers for over twenty-five years. For many years, Tweed worked as a ranger and later as a park manager at Sequoia and Kings Canyon National Parks. For ten years prior to 2006, he served as the parks’ chief naturalist, in charge of educational and informational programs. He has written a column about nature in Tulare County for the Visalia Times-Delta since 1997.