Arthur J. McDonald wrote his doctoral dissertation on liberation theology in Peru at the University of Pittsburgh. Ordained a Roman Catholic priest in 1978 by the Dominican Order o...view moreArthur J. McDonald wrote his doctoral dissertation on liberation theology in Peru at the University of Pittsburgh. Ordained a Roman Catholic priest in 1978 by the Dominican Order of Preachers, he served as a priest in the South Bronx until 1982. After leaving the Catholic ministry and marrying, he has served two Unitarian Universalist congregations, one in Pittsburgh, the other in Essex, Massachusetts, for twenty-six years until his retirement in 2017. He has also taught theology and religion at several colleges and universities. He now serves as minister emeritus at the Universalist (UU) Church of Essex.view less