William of Baskerville is a fictional character from the novel "The Name of the Rose," written by Umberto Eco. He is a Franciscan friar and a skilled detective, known for his logical reasoning and keen observation. Set in the 14th century, William investigates a series of mysterious deaths in a secluded monastery. William's character is inspired by the historical figure Roger Bacon, a philosopher and scientist. Throughout the story, he employs a scientific approach to unravel the truth, contrasting with the superstitions of his time. His journey explores themes of knowledge, faith, and the conflict between reason and belief.