James Earl “Jimmy” Carter, Jr. served as the 39th President of the United States from 1977 to 1981 and was the recipient of the 2002 Nobel Peace Prize, the only U.S. President to have received the Prize after leaving office. Before he became President, Carter served two terms as a Georgia State Senator and one as Governor of Georgia, from 1971 to 1975, and was a peanut farmer and naval officer.
After leaving office, Carter and his wife Rosalynn founded the Carter Center in 1982, a nongovernmental, not-for-profit organization that works to advance human rights. He has traveled extensively to conduct peace negotiations, observe elections, and advance disease prevention and eradication in developing nations. Carter is a key figure in the Habitat for Humanity project, and also remains particularly vocal on the Israeli-Palestinian conflict.
(excerpts from Wikipedia)