Donald A. Norman
Donald Arthur Norman is a professor emeritus of cognitive science at the University of California, San Diego and a Professor of Computer Science at Northwestern University, where he also co-directs the dual degree MBA + Engineering degree program between the Kellogg school and Northwestern Engineering. Norman is on numerous company advisory boards, including the editorial board of Encyclopædia Britannica. He currently splits his time between consulting, teaching, and writing. He co-founded the Nielsen Norman Group, a consulting group on matters of usability, which also includes Jakob Nielsen and Bruce "Tog" Tognazzini. Many of Norman's books deal mostly with usability or with cognitive psychology. He loves products which are enjoyable to use, a feature which he attributes to putting together emotion and design, or heart and mind.