David Abram defined one of this thinker's concepts as a matrix that gives rise to the perceiver and the perceived and is useful in imagining a sensible landscape that cannot be sensed. That concept, which is the word chair and is often translated as "the flesh," appears in the last chapter of a work by this thinker which discusses "the intertwining-the chiasm." Another work by this man argues that Descartes's quote "cogito ergo sum" fails to explain consciousness and partially resolves that problem by suggesting a notion of "bodily space" and "external space." That work proposes that the objective world is a field of 
David Abram defined one of this thinker's concepts as a matrix that gives rise to the perceiver and the perceived and is useful in imagining a sensible landscape that cannot be sensed. That concept, which is the word chair and is often translated as "the flesh," appears in the last chapter of a work by this thinker which discusses "the intertwining-the chiasm." Another work by this man argues that Descartes's quote "cogito ergo sum" fails to explain consciousness and partially resolves that problem by suggesting a notion of "bodily space" and "external space." That work proposes that the objective world is a field of the second title concept, which transcends both sensation and interpretation. This author of The Visible and the Invisible sought to refute Empiricist and Romanticist theories of experience by advancing the theories of Husserl. For 10 points, identify this French thinker who wrote The Phenomenology of Perception.
David Abram defined one of this thinker's concepts as a matrix that gives rise to the perceiver and the perceived and is useful in imagining a sensible landscape that cannot be sensed.
Maurice Merleau-Ponty