Article: Gary Dorrien on Martin Luther King, Jr. (REVIEW ESSAY) - The Reverend Dr. Gary Dorrien (born in 1952; Ph.D. in theology, Union Graduate School, 1989), a white Episcopal priest, has written a deeply contextualizing book about the Reverend Dr. Martin Luther King, Jr. (1929-1968; Ph.D. in theology, Boston University, 1955), a black Baptist pastor and social activist, and the black social gospel tradition in which he grew up.