he is 90, still a member of the National Academy of Sciences, and in the last 5 years has learned to be an expert an 3D animation and video production Wow. Tha

he is 90, still a member of the National Academy of Sciences, and in the last 5 years has learned to be an expert an 3D animation and video production Wow. That's awesome! Is any of his work online? I still remember my favorite professor telling me that she saw things much more clearly at 80 than she did at 70.