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: Mikhail Yuryevich Lermontov, a Russian Romantic writer, poet and painter, sometimes called "the poet of the Caucasus", the most important Russian poet after Alexander Pushkin's death in 1837 and the greatest figure in Russian Romanticism.