Pennsylvania Polymath: Samuel Stehman Haldeman

Samuel Stehman Haldeman was a pioneer in American science with an uncompromising empirical bent who made definitive contributions in geology, metallurgy, zoology and the scientific study of language. His groundbreaking lifework touched nearly seven decades of science and included identification of one of the oldest fossils in Pennsylvania, elucidation of a plan for an anthracite coal furnace for...
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