Eminent and versatile Swiss-born American zoologist and geologist (1807-1873) who carried out much of his research as a longtime faculty member at Harvard, where he was also instrumental in building the university’s enviable natural history collection. ALS signed “L. Agassiz,” one page, 8 x 7, May 16, 1847. Handwritten letter to a friend, in part: "When I left Boston a fortnight ago, I expected to pay you a visit in Westpoint, but I find I am not yet able to work, and I go back to Boston in hope to recover completely." In very good to fine condition, with light creasing, and show-through from an old mounting strip on the back top edge.
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