For 10
 points, name this author of Of Grammatology whose work popularized deconstructionism.
This thinker contrasted writing, which is controlled by the "metaphysics of presence," with a form of
 language not derived from speech or writing called "arche-writing." A lecture by this man showed how the
 example of the incest taboo being natural and cultural demonstrated how "play" could be introduced to a
 structure. He termed the impulse to focus on the center of a text "pallogocentrism," and characterized the
 instability of meaning through the constant shifting of signifiers and signifieds as "difference." For 10
 points, name this author of Of Grammatology whose work popularized deconstructionism.
This thinker contrasted writing, which is controlled by the "metaphysics of presence," with a form of
 language not derived from speech or writing called "arche-writing."
Jacques {Derrida}