1981 Death Harold C Urey, U.S. chemist (Deuterium, Nobel 1934), dies at 87 1934 Event Nobel for chemistry awarded to Harold C. Urey (deuterium) 1931 Event Identification of heavy water publicly announced, HC Urey 1893 Birthday Harold C Urey, Indiana, physicist, Deuterium, Nobel 1934 1893 Birthday Harold C. Urey, Physicist
