The author of The Rattrap is Selma Lagerlöf, a renowned Swedish writer and the first woman to win the Nobel Prize in Literature in 1909. Lagerlöf is celebrated for her rich storytelling and ability to weave moral lessons into her narratives, often drawing on Swedish folklore and landscapes. In The Rattrap, she explores themes of human nature, compassion, and redemption through the journey of a wandering peddler, showcasing her skill in creating relatable characters and thought-provoking situations. Her literary contributions have left a lasting impact on both Swedish literature and the broader literary world, making her an influential figure in the realm of storytelling.