Professor Herwinn (October 31, 1861 - March 18, 1946) was born William Humpage in Birmingham.
The spelling of Herwinn is inconsistent. On some of his bills and advertisements he appears as Herwin but when he first took out a professional card in [Stanyon's Magic]] in December 1900 he appeared as "Prof. Herwinn, Magician and Illusionist". Herwin appeared in August 1903 of Stanyon's Magic magazine and the May 1907 issue of Selbit's The Wizard magazine.
He devised the first Thumb Tip around 1885. He is also credited with the invention of the brass Vanishing Penny Box in which the underside of the coin is brass to match the box.
Professor Herwinn was an early member of The Magic Circle.
Herwinn's son, Charles, worked under the name of Carlini, as a music hall act that doing shadowgraphy and chapeaugraphy in addition to magic and once toured with Charles Morritt
- Magic Circular Vol. 91