[yoo
r-ee] 
| Harold Clay⋅ton [kleyt-n] , 1893–1981, U.S. chemist: Nobel prize 1934. |
Urey (y r'ē) Pronunciation Key
American chemist who is best known for his discovery of deuterium (or heavy hydrogen) in 1932, for which he was awarded the 1934 Nobel Prize for chemistry. He also developed theories on the formation of the planets and on the synthesis of elements in the Earth's primitive atmosphere. |