Wallace Smith Broecker

Wallace Smith Broecker (November 29, 1931 – February 18, 2019) was an American geophysicist. He was the Newberry Professor in the Department of Earth and Environmental Sciences at Columbia University. He created the idea of a global "conveyor belt" and he was known for creating the term "global warming". Broecker received the Crafoord Prize and the Vetlesen Prize.
Broecker died in New York City on February 18, 2019 at the age of 87.