Famous author Mark Twain wrote backwards.

Mark Twain, the renowned author of classics such as "The Adventures of Huckleberry Finn" and "Tom Sawyer," had a unique habit of writing in reverse. Twain would start at the end of a sentence and work his way back to the beginning, creating his own form of mirror writing. This unconventional method was a way for him to prevent smudging his ink as a left-handed writer. Twain's backwards writing style is just one of the many intriguing quirks that added to his legendary persona and literary legacy.