He was born in Baltimore , Maryland and moved to Philadelphia , Pennsylvania when he was ten .
He was earned advanced degrees from Harvard University ( A.M. in 1958 ) and Princeton ( Ph. D. in 1963 ) .
He was born in Baltimore , Maryland and moved to Philadelphia , Pennsylvania when he was ten , and earned advanced degrees from Harvard University ( A.M. in 1958 ) and Princeton ( Ph. D. in 1963 ) .