Bio
Helena Petrovna Blavatsky (née Hahn von Rottenstern; 12 August [O.S. 31 July] 1831 – 8 May 1891), often known as Madame Blavatsky, was a Russian and American mystic and writer who co-founded the Theosophical Society in 1875. She gained an international following as the primary founder of Theosophy as a belief system. Read more on Wikipedia