Reverend '''Martin Luther King, Jr'''., Ph.D. (1929-1968) was by far the most important black leader of the 1960s. Since his assassination in 1968, he has been the single most important exemplar of civil rights in recent U.S. history.
+
Reverend '''Martin Luther King, Jr'''., Ph.D. (1929-1968) was by far the most important black leader of the 1960s. Since his assassination in 1968, he has been the single most important exemplar of civil rights and of liberalism generally in recent U.S. history.<ref> Alonzo Hamby, ''Liberalism and Its Challengers: From F.D.R. to Bush'' (1992)</ref>