 Gestalt theories of perception are based on human nature being inclined to understand objects as an entire structure rather than the sum of its parts.Wertheimer had been a student of Austrian philosopher, Christian von Ehrenfels (1859–1932), a member of the School of Brentano.Von Ehrenfels introduced the concept of "Gestalt" to philosophy and psychology in 1890, before the advent of Gestalt psychology as such.