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Henry Stephens Washington

Henry Stephens Washington, American petrologist. Decorated Cavalier Order Crown of Italy.


  • Washington, Henry Stephens was born on January 15, 1867 in Newark, New Jersey, United States. Son of George and Eleanor P. (Stephens) Washington.

  • Education

    • Bachelor of Arts, Yale, 1886. A.M., 1888; Doctor of Philosophy., Leipzieg, 1893. Post-graduate studies, Yale, Leipzig, and American School Classical Studies (Athens).


    • Assistant in physics, Yale, 1886-1888. Excavations in Greece, 1889-1894. Assistant in mineralogy, Yale, 1895-1896.

      Geological, volc., petrol. investigations in Greece, Asia Minor, Italy, Spain, Brazil, Hawaiian Islands, and United States, and chemical study of igneous rocks and minerals. Consultant mining geologist, 1906-1912. Board of managers Geological Survey New Jersey, 1909-1914.

      With Geophysical Laboratory, Carnegie Institution of Washington, since 1912. Chemical associate and scientific attache American Embassy, Rome, 1918-1919. Vice chairman of the section volcanology, International Geophysical Union.

      Chairman American Geophysical Union, 1927-1929.


    • Author: Chemical Analyses of Igneous Rocks, 1903, 1917. Manual of the Chemical Analysis of Igneous Rocks, 1904. The Roman Comagmatic Region, 1906.

      Joint Author: Quantitative Classification of Igneous Rocks. 1903. Contributor of articles on petrol., mineral, and archæol. subjects in scientific journals, 1887—.


    • Married Martha Rose Beckwith, October 25, 1893.
    • father: George Washington
    • mother: Eleanor P. (Stephens) Washington
    • spouse: Martha Rose Beckwith
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    Born January 15, 1867
    Died January 7, 1934
    (aged 66)