Author: Елена Петровна Блаватская
Alternate names: Helena Petrovna Blavatsky; H. P. Blavatsky, Елена Блаватская, Олена Петрівна Блаватська; Helena Blavatsky; Helene Petrovna Blavatsky; Madame Blavatsky; H.P. Blavatsky; Elena Petrovna Blavatskaya; Helena P. Blavatsky; H. P. (Helena Petrovna) Blavatsky; Helena, BLAVATSKY; H. P. BLAVATSKY; H., P. Blavatsky; H. Blavatsky; Helene Petrovna Hahn-Hahn Blavatsky; Helena Petrovna BLAVATSKY; Helene Petrovna BLAVATSKY; H. P Blavatsky; Helen P. Blavatsky; H.P Blavatsky; M Blavatsky
Born: 12 August [O.S. 31 July] 1831
Died: 8 May, 1891
Bio: Helena Petrovna Blavatsky (née Hahn von Rottenstern), often known as Madame Blavatsky, was a Russian and American mystic and author who co-founded the Theosophical Society in 1875. She gained an international following as the leading theoretician of Theosophy.