Helena Blavatsky




Helena Petrovna Blavatsky (Russian:Еле́на Петро́вна Блава́тская, Yelena Petrovna Blavatskaya; 12 August [O.S. 31 July] 1831 –8 May 1891) was an occultist, spirit medium, and author who co-founded the Theosophical Society in 1875. She gained an international following as the leading theoretician of Theosophy, the esoteric movement that the Society promoted.