Isis Unveiled: Volume 1, Science

Helena Petrovna Blavatsky (1831-91), writer, traveller and spiritualist, is well known for her role in nineteenth-century theosophy. Born in the Ukraine, Blavatsky travelled extensively and claimed to have spent seven years studying esoteric mysteries in Tibet. From 1863 she began working as a medium and later counted W. B. Yeats among her followers. In 1875 she founded the Theosophical Society wi...