The New International Encyclopædia/Johnson, Samuel William
|←Johnson, Samuel Frost||The New International Encyclopædia
Johnson, Samuel William
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JOHNSON, Samuel William (1830—). An American agricultural chemist, born at Kingsboro, N. Y. He was educated at the Scientific School of Yale College, and studied at the universities of Leipzig and Munich. He was made professor of analytical chemistry at the Yale Scientific School in 1856, taught agricultural chemistry there from 1857 to 1875, and after 1875 acted as professor of theoretical and agricultural chemistry. From 1877 to 1900 he was also director of the Connecticut Agricultural Experiment Station. In 1866 he became a member of the Connecticut State Board of Agriculture and of the National Academy of Sciences. His publications include: Essays on Manures (1859); Peat and Its Uses (1866); How Crops Grow (1868); How Crops Feed (1870); Chemical Notation and Nomenclature (1870).