Sharps and Flats

John Nevil Maskelyne (1839–1917) was a prominent English stage magician and illusionist during the late 19th and early 20th centuries. His contributions to the fields of magic and deception were profound, not only as a performer but also as an inventor and author. Maskelyne's inquisitive mind led him to expose the fraudulent practices of spiritualists and mediums, which he considered a public serv...