When David Marr at MIT moved into computer vision, he generated a lot of excitement, but he hit up against the problem of knowledge representation; he had no good representations for knowledge in his vision systems.
Bio: Walter Van Tilburg Clark was an American novelist, short story writer, and educator. He ranks as one of Nevada's most distinguished literary figures of the 20th century, and was the first inductee into the 'Nevada Writers Hall of Fame' in 1988.