Author, filmmaker, wildlife activist. Known for his work dedicated to grizzly bear recovery in the lower-48. Served as the model for the character George Washington Hayduke in Edward Abbey's novel The Monkey Wrench Gang. In his new book, Was It Worth It?: A Wilderness Warrior's Long Trail Home, a collection of reflective and frank essays, Peacock recounts his adventures to try to understand and explain his perspective on Nature: That wilderness is the only thing left worth saving.

His latest campaign fights for the survival of grizzly bears in the lower 48 states. https://savetheyellowstonegrizzly.org/