David Hilbert (1862 –1943) was a German mathematician and philosopher of mathematics and one of the most influential mathematicians of his time. Hilbert's work in geometry had the greatest influence in that area after Euclid. A systematic study of the axioms of Euclidean geometry led Hilbert to propose 21 such axioms and he analysed their significance. He made contributions in many areas of mathematics and physics. Hilbert wss born on this day ( January 23) in 1862. Short Biography:- David Hilbe