"The Haunted Man" is a novella by Charles Dickens, published in 1848. It tells the story of Redlaw, a chemistry teacher who is haunted by his past and the memories of his grief. After encountering a mysterious spirit, he is granted the ability to forget his painful memories, which initially seems like a blessing. However, as Redlaw experiences life without his memories, he realizes that forgetting his past also robs him of the joy and love associated with it. The story explores themes of memory, loss, and the importance of embracing both happiness and sorrow in life.