Theodore Hardeen

Hungarian American entertainer (1876–1945)

Ferenc Dezső Weisz (March 4, 1876 – June 12, 1945), known as Theodore "Dash" Hardeen, was a Hungarian American magician and escape artist who was the younger brother of Harry Houdini. Hardeen, who usually billed himself as the "brother of Houdini", was the founder of the Magician's Guild. Hardeen was the first magician to conceive escaping from a straitjacket in full view of the audience, rather than behind a curtain.

Hardeen was born as "Ferenc Dezső Weisz" (or "Ferencz Dezső Weisz") in Budapest, and went by the name "Theodore Weiss" when he and his family were living in Appleton, Wisconsin. He was known as "Deshi" and later "Dash" by his parents. In 1893, Hardeen performed with Houdini at Coney Island as "The Brothers Houdini". While he and Harry were there, Harry met and married Wilhelmina Beatrice "Bess" Rahner.

Like his brother, Hardeen was skeptical of the claims of spiritualist mediums. With his friend Julien Proskauer, he exposed the fraudulent methods of the mediums. Houdini, in his will, requested that all his files be given to Hardeen and destroyed ("I give, devise and bequeath to my brother, Theodore, Professionally known as "Hardeen" all my theatrical effects, new mysteries and illusions and accompanying paraphernalia, to be burnt and destroyed upon his death.") On August 15, 1927, Hardeen's Brooklyn home was broken into and some of Houdini's apparatuses were damaged. Later that year, Hardeen burned all of Houdini's personal files in a furnace in his basement. In 1945 while planning on writing a book about his brother, Hardeen went to Manhattan's Doctors Hospital for a simple operation. He unexpectedly died of complications while recovering from the procedure. He was 69 years old.

During his final show on May 29, 1945, in Ridgeway, Queens, Hardeen named his chief assistant, Douglas Geoffrey, his official successor. Geoffrey then went on to perform as "Hardeen, Jr."; he died January 14, 1990, at the age of 82. Sidney Hollis Radner received the Houdini collection from Hardeen.