Baker was born in Philadelphia, Pennsylvania and graduated from Ben Lippen High School. He received an A.B. in political science from University of North Carolina, Chapel Hill and a M.A. and Ph.D. in government from American University in Washington, D.C..
^Pennsylvania; Pennsylvania. Dept. of Property and Supplies; Pennsylvania. Bureau of Publications (1995). The Pennsylvania Manual. Vol. 112. Department of Property and Supplies for the Commonwealth of Pennsylvania. Retrieved 2014-11-17.