Peter Matthiessen was an American author, naturalist, and environmental activist, born on May 22, 1927, in New York City. He is best known for his works that blend fiction and nonfiction, often focusing on nature and spirituality. His notable books include The Snow Leopard, which recounts his journey in the Himalayas, and Shadow Country, a historical novel set in the Florida Everglades. In addition to his writing, Matthiessen co-founded the Earthwatch Institute, an organization dedicated to environmental conservation and research. Throughout his life, he received numerous awards, including the National Book Award and the PEN/Faulkner Award, recognizing his contributions to literature and environmental awareness.