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Michael Manley served as prime minister of Jamaica twice, from 1972 to 1980 and from 1989 to 1992. He was the first person to serve non-consecutive terms as prime minister before Portia Simpson-Miller, who served from 2006 to 2007 and from 2011 to 2016. Manley was a member of the People's National Party and was a strong advocate for social justice and economic development.