One who performs conjurations is called a conjurer or conjuror. When summoned by a conjuror, he can teach geometry and other liberal sciences. Zuckerbrot proposed recording the development of "The Conjuror". He was an assistant to Hamlin the conjuror. The conjuror W. S. Davis published an article (with diagrams) exposing the tricks of Palladino. He also worked as a conjuror and interior decorator. He tries to tell this to the conjuror who does not seem to listen. Carrington was an amateur conjuror and was critical towards some paranormal phenomena. "Confessions of a Conjuror" was published by Channel 4 Books in October 2010. In 1724 there was published "A Spy upon the Conjuror". While Ben and Watson were developing "The Conjuror", Ben became reacquainted with Daniel Zuckerbrot. A biography, "Johnny Wardle&colon; Cricket Conjuror" (), by Alan Hill, was published in 1988.