Joseph Henry

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Professor Joseph Henry. According to this website https://siarchives.si.edu/collections/siris_sic_317 "Smithsonian Secretary Joseph Henry agrees to chair the U.S. Light-House Board, on which he had served since its establishment in 1852. In addition to his role as chairman of the board's committee on experiments, Henry was now responsible for overseeing the board's $1.6 million budget and a work force which included more than 800 lighthouse keepers. Henry arranges to devote one day a week to his new duties, in addition to his established practice of spending vacations conducting experiments and investigations in lighthouses or at sea. He fills this position until his death in 1878."

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