The definitive edition of HPB's writings in 15 volumes. Volume 12 is from 1889 and 1890, and includes articles such as: 'Genius'; 'The Fall of Ideals'; 'Science and the Secret Doctrine'; 'Progress and Culture'; 'The Dual Aspect of Wisdom'; 'Psychic and Noetic Action'.
Helena Petrovna Blavatsky (Russian: Еле́на Петро́вна Блава́тская, Yelena Petrovna Blavatskaya, often known as Madame Blavatsky; 12 August [O.S. 31 July] 1831 – 8 May 1891) was a Russian occultist, philosopher, and author who co-founded the Theosophical Society in 1875. She gained an international following as the leading theoretician of Theosophy, the esoteric religion that the society promoted.