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: Edith Stein, also known as St. Teresa Benedicta of the Cross, was a German Jewish philosopher who converted to the Roman Catholic Church and became a Discalced Carmelite nun. She is a martyr and saint of the Catholic Church.