text: He attended Harvard University , where he received his A.B. , summa cum laude , and S.M. in applied mathematics in 1973 . He completed his Ph. D. in applied mathematics from Harvard University in 1976 .
simplified: He attended Harvard University , where he received his A.B. , S.M. ( 1973 ) , and Ph. D. ( 1976 ) , all in applied mathematics .