 Completed in 1944 and published the following year, Phenomenology of Perception (PP) is the work for which Merleau-Ponty was best known during his lifetime and that established him as the leading French phenomenologist of his generation. Here Merleau-Ponty develops his own distinctive interpretation of phenomenology’s method, informed by his new familiarity with Husserl’s unpublished manuscripts and his deepened engagement with other thinkers in this tradition, such as Eugen Fink and Martin Heidegger. Phenomenology of Perception again draws extensively on Gestalt theory and contemporary research in psychology and neurology; the case of Schneider, a brain-damaged patient studied by Adhémar Gelb and Kurt Goldstein, serves as an extended case-study. Psychological research complements and, at times, serves as a counterpoint to phenomenological descriptions of perceptual experience across a wide range of existential dimensions, including sexuality, language, space, nature, intersubjectivity, time, and freedom. In Phenomenology, Merleau-Ponty develops a characteristic rhythm of presenting, first, the realist or empiricist approach to a particular dimension of experience, followed then by its idealist or intellectualist alternative, before developing a third way that avoids the problematic assumption common to both, namely, their “unquestioned belief in the world”: the prejudice that the objective world exists as a ready-made and fully present reality.