Andrew M. Greeley (February 5, 1928 – May 29, 2013) was an American Catholic priest, sociologist, journalist and popular novelist. He was a professor of sociology at the University of Arizona and the University of Chicago, and a research associate with the National Opinion Research Center (NORC).
For many years, Greeley wrote a weekly column for the Chicago Sun-Times and contributed regularly to The New York Times, the National Catholic Reporter, America, and Commonweal.
Virgilio P. Elizondo (August 28, 1935 – March 14, 2016) was a Mexican-American Catholic priest and community activist, who was also a leading scholar of liberation theology and Hispanic theology. He was widely regarded as "the father of U.S. Latino religious thought."Elizondo was the founder of the Pastoral Institute at the University of the Incarnate Word. He was also a co-founder of the Mexican-American Cultural Center, a think tank for scholars and religious leaders to develop pastoral ministry and theology from a Hispanic perspective. (It has since become the Mexican American Catholic College.) Elizondo was also well known for his book, Galilean Journey: The Mexican-American Promise, which examined the similarities between Jesus' Galilean background and the mestizo experience.
Philip Francis Berrigan (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.In 1973, he married a former nun, Elizabeth McAlister 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.