H. P. Blavatsky
|Born||Yelena Petrovna von Hahn|
12 August 1831
Yekaterinoslav, Russian Empire
|Died||8 May 1891 (59)|
Helena Petrovna Blavatsky (Russian Cyrillic: Еле́на Петро́вна Блава́тская; August 12, 1831 - May 8, 1891) was an occultist and medium, co-founder of the Theosophical Society and its leading theoretician.