Joseph Wilson, a political centrist, was a career United States diplomat from 1976 to 1998. During Democratic and Republican administrations he served in various diplomatic posts throughout Africa and eventually as ambassador to Gabon. He was the acting ambassador to Baghdad when Iraq invaded Kuwait in 1990. In February 2002, as special envoy to Niger he investigated reports of Iraq’s attempt to buy nuclear material there. In October 2003, Wilson received the Ron Ridenhour Prize for Truth-Telling from the Fertel Foundation and the Nation Institute. He lives in Washington, D.C.