H. P. Blavatsky (1831-1891) was a theosophist, mystic and co-founder of the Theosophical Society. She has been dubbed the "mother of the new age" for the profound effect her promulgation of eastern mysticism has had on the spiritual thought of the west. Biography: http: //www.universaltheosophy.com/bios/blavatsky/ Collected Writings: http: //www.universaltheosophy.com/writings-hpb