![Edward Witten Image source: Wikipedia user Ojan Edward Witten Image source: Wikipedia user Ojan](http://www.timeone.ca/wp-content/uploads/2013/01/Edward-Witten.jpg)
Image source:
Wikipedia user Ojan
Edward Witten is an American physicist who has made key contributions to string theory.
Image source:
Wikipedia user Ojan
Edward Witten is an American physicist who has made key contributions to string theory.