Harold Clayton Urey:
Harold Clayton Urey was an American chemist and Nobel laureate.
Birth:
April 29, 1893 in Walkerton, Indiana
Death:
January 5, 1981 in La Jolla, California
Claim to Fame:
Urey was an American chemist who was awarded the 1934 Nobel Prize in Chemistry for the discovery of deuterium in heavy water. Deuterium is an isotope of hydrogen that contains an extra neutron.