Search results
15 hours ago · v. t. e. Helena Petrovna Blavatsky[ a] ( 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 author who co-founded the Theosophical Society in 1875. She gained an international following as the leading theoretician of Theosophy .
