of his fundamental contributions to epistemology was the notion of "Introception", or "Knowledge through Identity". This represents a transcendent form of knowledge which is neither conceptual nor empirical. It is perhaps the simplest and clearest definition ever proposed, of what many mystics have called "Gnosis". Wolff's other published books detailing his experience and philosophy include The Philosophy of Consciousness Without an Object and Transformations in Consciousness: The Metaphysics and Epistemology (originally published under the title Introceptualism). Selected works Merrell-Wolff, Franklin (1973). Pathways Through To Space (New York : Julian Press). . Merrell-Wolff, Franklin (1973). The Philosophy of Consciousness Without an Object (New York : Julian Press). . Merrell-Wolff, Franklin (1994). Franklin Merrell-Wolff's Experience and Philosophy: a personal record of transformation and a discussion of transcendental consciousness: containing his Philosophy of Consciousness Without An Object and his Pathways Through To Space (Albany : SUNY Press). Merrell-Wolff, Franklin (1995). Transformations in Consciousness: The Metaphysics and Epistemology, edited by Ron Leonard (Albany : SUNY Press). . See also American philosophy List of American philosophers References Further reading Leonard, Ron (1999). The Transcendental Philosophy of Franklin Merrell-Wolff (Albany : SUNY Press). . Leonard, Doroethy B. (2017). Franklin Merrell-Wolff: An American Philosopher and Mystic (Bloomington : Xlibris). . Vliegenthart, Dave (2018). The Secular Religion of Franklin Merrell-Wolff: An Intellectual History of Anti-Intellectualism in Modern America (Leiden : Brill Publishers) . External links Franklin Merrell-Wolff :: Philosopher. Mathematician. Mystic. Spiritual Teacher. The Transcendental Philosophy of Franklin Merrell-Wolff The Franklin Merrell-Wolff Fellowship 1887 births 1985 deaths 20th-century American philosophers American Christian mystics American spiritual teachers American spiritual writers Harvard University alumni Idealists Stanford University alumni