4:00 AM, Dec 12, 2007 - Enduring 25-degree-below-zero weather for weeks at a time proved worth it when William Hammer's team uncovered dinosaur fossils in the ice and the rock of Antarctica. Now, that dinosaur has a name: Glacialisaurus hammeri, named after Hammer himself. Hammer didn't choose it. Field Museum graduate student Nathan Smith, who studied under Hammer at Downstate Augustana College, named the dino to thank his mentor.

BY ANDREW HERRMANN Staff Reporter/aherrmann@suntimes.com
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