Philip Francis Berrigan, SSJ (October 5, 1923 – December 6, 2002) was an American peace activist and Catholic priest with the Josephites. He engaged in nonviolent, civil disobedience in the cause of peace and nuclear disarmament and was often arrested.He later married a former nun, Elizabeth McAlister, in 1973; both were subsequently excommunicated by the Catholic Church before being reinstated. For eleven years of their 29-year marriage they were separated by one or both serving time in prison.