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Charles Babbage was a mathematician and inventor. From the guide to the Charles Babbage selected correspondence, 1827-1871, 1827-1871, (American Philosophical Society) Chemist; professor at Yale, from 1853. Son of Benjamin Silliman, also a chemist, geologist, and Yale professor, 1802-1852. From the description of Correspondence, 1875-1884. (University of Arizona). WorldCat record id: 31440798 This is Benjamin Silliman, Jr., a chemist and professor at Yal...