Wallace S. Broecker CC '53 MA '54 PhD '57 (better known was Wally) is the Newberry Professor of Earth & Environmental Sciences. He has been on the Columbia faculty since 1959, and works with the Earth Institute and Lamont-Doherty Earth Observatory. He's interested in the role of oceans on climate change. Most undergraduates get to know him through Frontiers of Science.
Professor Broecker has a suite of offices in the new Gary C. Comer Geochemistry Building named after him.