I believe he went over the Reichenburg Falls with Holmes, although Conan-Doyle brought Holmes back to life due to popular demand.
Professor Moriarty was created in 1893.
Professor James Moriarty a fictional character and the archenemy of the detective Sherlock Holmes
Professor Moriarty.
Professor Moriarty
It is professor James Moriarty who is shown in the second movie.
Patrick Moriarty died in 1928.
William Moriarty died in 1936.
Professor James Moriarty, the arch-nemesis of Sherlock Holmes, is believed to have died during a confrontation with Holmes at the Reichenbach Falls in Switzerland. In Arthur Conan Doyle's story "The Final Problem," the two grapple on the edge of the falls, resulting in both falling into the depths. Although Holmes survives, Moriarty's fate is left ambiguous, as his body is never recovered. This dramatic encounter solidifies Moriarty's role as a formidable villain in the Sherlock Holmes saga.
It is in the short story¨"The Final Problem," which can be found in the book 'The Memoirs of Sherlock Holmes.'
James
Professor Moriarty is a character created by Sir Arthur Conan Doyle. He is the archnemesis of Detective Sherlock Holmes, and appears in a number of Doyle's pieces of fictions centering on Holmes.
Professor James Moriarty. a retired mathematics professor, Holmes refers to him as "the Napoleon of crime." In the case, "The Final Problem" found in The Memoirs of Sherlock Holmes, Holmes takes on this criminal mastermind in a battle of wits and physical prowess that ultimately ends in the apparent death of both in Reichenbach Falls.