David James Duncan is an American author best known for his novels and works of environmental and spiritual literature. Born on October 7, 1952, Duncan has earned a reputation as a passionate advocate for the natural world and the human spirit. His best-known works include "The River Why," which is a coming-of-age tale centered around fly fishing and metaphysical inquiries, and "The Brothers K," a family saga that intertwines baseball, religion, and the trials of the 20th-century American experience. Duncan's writing often reflects his deep connection to the wilderness and his concern for conservation, as well as his exploration of personal faith and the complexities of human life. His style is characterized by rich storytelling, vivid characters, and a mix of humor and profundity.