Thaddeus William Harris
American physician / From Wikipedia, the free encyclopedia
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Thaddeus William Harris (November 12, 1795 – January 16, 1856) was an American entomologist and librarian. His focus on insect life cycles and interactions with plants was influential in broadening American entomological studies beyond a narrow taxonomic approach.[1] He was an early agricultural entomologist and served as a mentor and role model for others in this new field.[2] For 25 years Harris served as the librarian of Harvard University where oversaw the rapid growth of the library and introduced one of the earliest American library card catalogs.[3]