Jackson, Brad (1928-?) American actor (1950's science fiction movies including It Came From Outer Space) who got his start billed as The World's Youngest Magician in the 1930s. Real name Herman Budlow.
Jackson, Theodore (?-1905) African American magician performing in American late-19th century vaudeville. Houdini wrote about him, regarding him as "the very best colored magician".
Jacobs (?-?) European magician who toured Britain, the U.S. and Australia in the 1850's performing the Linking Rings.
Jacobsen, Gloria (1928-2002) American female magician best known for her award-winning "Vampira" act. Married to Tom Palmer from 1947 to 1964, then to Dr. Ralph Marcom (MarcoM the Magnificent, a comedy magician) in 1968. See photos here.
Jahn, Viggo (1917-?) Danish-born magician and actor whose specialty was the Cane Knob act, in which he would remove the knob top of his cane and perform intricate thimble-type magic while wearing black gloves. 1948 FISM Grand Prix. Assistant/wife Jane. He appeared on the 11/22/53 broadcast of the TV program Toast of the Town, the early version of the Ed Sullivan Show.
Jaks, Dr. Stanley (1903-1960) (birthday July 26) German-born magician and mentalist who was given the title "Dr." by Ted Annemann. Real name Herbert Siegbert. Also performed as "Jack Stanley". Invented Supersonic Card Prediction.
Jamieson, Montgomery (1897-?) Australian magician who travelled with a medicine show wagon. Disappeared in the Australian Outback on October 31, 1926, the same day that Houdini died.
Jansen see Dante
Jarrett, Guy Stage illusion builder, Houdini critic, married for several years to the female escape artist Minerva
Jeniska (?-?) Stage name of the female mindreader who appeared in Benevol's shows. She was billed as "The Strongest Seer of the Ages".
Jennings, Larry (1933-1997) American magician, co-founder of L&L Publishing and creator of effects such as Limited Edition. See official biography here.
Johnson, Lilburn (?-?) American magician on the Lyceum and Chautauqua circuits in the 1920s.
Johnston, Hugh R. (1893-1956) American-born magician who started the first school of magic in the US. Wrote Modern Card Miracles. Inventor of the Johnston Shuffle aka V Shuffle.
Jones, Francis Willoughby (?-?) American magician on the Lyceum and Chautauqua circuits in the early 1900s. Featured "La Cassadega Propaganda", a spirit seance routine copied from Maskelyne.
Joseffy (1873-1946) Viennese-born magician and innovative magic inventor. Created a version of Rising Cards, invented Enigmatic Cube, Phantom Quartette, the Congress of Nations, and Balsamo, the Living Skull. Performed as a violinist and magician on the Chautauqua circuit in the early 1900s.