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![]() Langley began his career as a civil engineer in Chicago, continuing later in St. Louis, before returning to Boston to accept an assistantship at the Harvard Observatory. Heading south once again, Langley later taught mathematics at the U.S. Naval Academy in Annapolis, Md. Then, from 1867-87, he served as professor of physics and astronomy as well as director of the Allegheny Observatory at the Western University of Pennsylvania (now known as the University of Pittsburgh). After 1887, Langley was appointed Secretary of the Smithsonian Institution in Washington D.C. next: The Bolometer |
![]() On the Shoulders of Giants
Top: A portrait of Samuel Langley. (Drawing by Hailey King) |
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