Richard S. Williamson

Richard Salisbury Williamson (May 9, 1949 – December 8, 2013) was an American lawyer, diplomat and pedagogue. He previously served as Special Envoy to Sudan under George W. Bush. Williamson was a partner at Winston &amp; Strawn and was also "Thomas J. Sharkey Distinguished Visiting Scholar" at Seton Hall's Whitehead School of Diplomacy.
Williamson died of a cerebral hemorrhage at a Chicago hospital on December 8, 2013, aged 64.