Ken Thompson. One of the most famous Computer Scientist of the book and in the field. He become famous because a series of creations, being Unix the most relevant.

Seibel: In a 1999 interview you talked about how you had told your son he should go into biology instead of computers because you thought computers were played out. That was almost ten years ago. How do you feel about that now?

Thompson: I feel the same. Nothing much new has happened in computers that you couldn’t have predicted. The last significant thing, I think, was the Internet, and that was certainly in place in ’99. Everything has expanded—the speed of individual computers is still expanding exponentially, but what’s different?

Coders at Work – Page 482 – Ken Thompson