Franz Hartmann (1838-1912) was a German medical doctor, theosophist, occultist, geomancer, astrologer, and author. His works include several books on esoteric studies and biographies of Jakob Böhme and Paracelsus. He translated the Bhagavad Gita into German and was the editor of the journal Lotusblüten. He was a co-worker of Helena Blavatsky and founder of the German Theosophical Society.