Helena Blavatsky
AKA: Helena Petrovna BlavatskyBirthday: 1831-08-12
Died: 1891-05-08
Birthplace: Dnipro, Ukraine
Helena Petrovna Blavatsky, 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.