The author known for using personal life experiences to inspire their literary works is Harper Lee, particularly in her seminal novel "To Kill a Mockingbird." Much of Lee's writing reflected her childhood in Monroeville, Alabama, and her observations of racial injustice and moral complexity. Her upbringing and experiences during the Great Depression informed her understanding of human behavior and societal issues, allowing her to create relatable characters and thought-provoking narratives. Lee’s keen eye for detail and her ability to translate personal experiences into universally relevant themes have left a lasting legacy in American literature.