Baez, John
<p>Dec 20, 2013 09:57 PM born 1961</p>
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math physicist and all-around intellectual. see SETI talk in Dec 2013.</p>
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math prof UC Riverside.</p>
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known for work on spin foams in loop quantum gravity.</p>
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writes: This Weeks Finds in Math Phys. see the blog AZIMUTH.</p>