The word epistemology is derived from the ancient Greek epist?m? meaning "knowledge" and the suffix -logy, meaning "logical discourse" (derived from the Greek word logos meaning "discourse" ). It is analogue to the German Wissenschaftslehre (literally, theory of science) which was introduced by philosophers Johann Fichte and Bernard Bolzano in the late 18th century. The word first appeared in English in 1847 as a translation of the German in New York's Eclectic Magazine review of a philosophical novel by German author Jean Paul: