Torsten Wiesel

Torsten Nils Wiesel (born June 3, 1924) is a Swedish neuroscientist.
He and David Hubel won the 1981 Nobel Prize in Physiology or Medicine, for their discoveries of information processing in the visual system. The prize was shared with Roger Sperry for his independent research on the cerebral hemispheres.
After serving as president of the Rockefeller University, he is now director of the Shelby White and Leon Levy Center for Mind, Brain and Behavior at the same institution. He is also an advisor to several countries and organizations, mainly helping young scientists do research. He is a member of the President's Council of University of the People.
Torsten was married to American editor Jean Stein from 1995 until they divorced in 2007.