Shimon Ullman (שמעון אולמן, born January 28, 1948, in Jerusalem) is a professor of computer science at the Weizmann Institute of Science, Israel. Ullman's main research area is the study of vision processing by both humans and machines. Specifically, he focuses on object and facial recognition, and has made a number of key insights in this field, including with Christof Koch the idea of a visual saliency map in the mammalian visual system to regulate selective spatial attention. Source: Wikipedia (en)