Born 1929. BS-Yeshiva College 1950. MA-Syracuse U 1951. PhD-MIT 1954. Worked at Courant Inst. NYU; Bar Ilan U; Weizmann Inst.; Polytechnic U.; National Bureau of Standards (now Nat. Inst. of Stndrds. and Tech.) 1971-1987; Temple U. 1987-1996. Prof. of math., Emeritus.
Main area of interest:Numerical Analysis. Secondary:Approximation Theory, Logic, foundations, Calculus teaching.