Gaston Defferre (14 September 1910 – 7 May 1986) was a French Socialist politician. He served as mayor of Marseille for 33 years until his death in 1986. He was minister for overseas territories in Guy Mollet’s socialist government in 1956–1957. His main achievement was to establish the framework used to grant independence to France’s African territories. In 1967, he fought the last duel in French history. As the Socialist candidate for president in 1969, he received only 5 percent of the vote. He was much more successful in promoting François Mitterrand as leader of the Socialist Party (Parti Socialiste; PS) in 1971. He held a series of ministerial portfolios after the Socialist victory in 1981, especially as minister of state for the interior and decentralization.
Source : Wikipedia