Haanel, Charles Francis

Charles F. Haanel (1866-1949) was a noted American business man, author and publisher. Born in Ann Arbour, Michigan, he spent his life in St. Louis, Missouri. He wrote a total of five books, the Master Key System being the first and most important. Charles Haanel was warded several doctorates, and was a member of a number of associations. He was a 32nd degree Mason, as well as a Rosicrucian.

Helmar Rudolph (1966-) is of German origin, but lives in Cape Town, South Africa. He did the first ever German translation of the Master Key System and has turned this into his fulltime profession. Eve...