It is common knowledge that one of the world's greatest magicians gave himself the stage name of Houdini. He was born as Erik Weisz in Budapest in 1874. He emigrated to the United States of America with his mother and four brothers in 1878. The family changed the spelling of their surname to the German "Weiss" and, in turn, Erik became "Ehrich". In turn that was shortened to "Ehrie" and anglicized to "Harry". According to his boyhood friend, Joseph...