Rudolf Steiner's Biography
Rudolf Steiner lived from 1861-1925. The greatest initiate of the 20th Century, he is one of history's most original thinkers. Rudolf Steiner's work is largely unknown in the world today.
The most comprehensive biography of Rudolf Steiner to date is the 1025 page 2-volume effort by Christoph Lindenberg, published in 1997. It is available only in German. Numerous other print biographies exist.
A good place to start is Rudolf Steiner's Autobiography, which is online complete and unabridged - 300 pages.