Helena Blavatsky
Born
August 12, 1831
Died
May 8, 1891 (59 years old)
Known For
Acting
Place of Birth
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.