The mentalist Joseph Dunninger (1892 – 1975) was one of the pioneer performers of magic on American radio and television, appearing on radio starting in 1943 and on television in the 1950s and 60s. He had a standing offer of $10,000 to anyone who could prove that he used confederates or “stooges” and to any medium who could produce by psychic or supernatural means any physical phenomena that he could not reproduce by natural means.
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