Ben Shneiderman — American Scientist born on August 21, 1947,

Ben Shneiderman is an American computer scientist, and professor of computer science at the University of Maryland Human-Computer Interaction Lab at the University of Maryland, College Park. He conducted fundamental research in the field of human–computer interaction, developing new ideas, methods, and tools such as the direct manipulation interface, and his eight rules of design... (wikipedia)

A picture is worth a thousand words. An interface is worth a thousand pictures.
Leonardo Da Vinci combined art and science and aesthetics and engineering, that kind of unity is needed once again.