Helena Blavatsky

elena Petrovna Blavatsky, born as Helena von Hahn (Russian: Елена Петровна Ган, Ukrainian: Олена Петрівна Ган; 12 August [O.S. 31 July] 1831 – 8 May 1891), was a Russian occultist. In 1875, Blavatsky, Henry Steel Olcott, and William Quan Judge established a research and publishing institute called the Theosophical Society. wiki