Clifton Reginald Wharton , Jr. ( born September 13 , 1926 ) is an American university president , corporate executive and former United States Deputy Secretary of StateIn his multiple careers , he has been an African American pioneer . Biography .
Clifton Reginald Wharton , Jr. ( born September 13 , 1926 ) is an American university president , corporate executive and former United States Deputy Secretary of State References .