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Charles Chree

AKA Charles Chree, Jr.

Born: 5-May-1860
Birthplace: Lintrathen, Forfarshire, Scotland
Died: 12-Aug-1928
Location of death: Worthing, West Sussex, England
Cause of death: Illness

Gender: Male
Religion: Presbyterian
Race or Ethnicity: White
Occupation: Astronomer, Physicist

Nationality: Scotland
Executive summary: Geomagnetic phenomena

Charles Chree made significant contributions to the mathematical theory of elasticity, and studied geomagnetism, pointing out daily and annual variations and showing that terrestrial magnetic phenomena are linked to sunspots and other meteorological conditions. He was the first to describe the 27-day pulse in magnetic phenomena, "that if any day were considerably more [geomagnetically] disturbed than the average day of the month, then the day 27 days subsequent to it was likely to be also more disturbed than usual." In addition to its meteorological implications, his work also had practical implications for land surveying using magnetic needles.

Father: Charles Chree (Presbyterian minister, b. 17-Feb-1827, d. 26-Apr-1893)
Mother: Agnes Scarth Bain Chree (b. 11-Sep-1824, m. 22-Jul-1856, d. 16-Jun-1873)
Brother: Sir William Chree (mathematician, b. 6-Jul-1858, 10-Jan-1936)
Sister: Jessie Scarth Chree (philanthropist, b. 23-Oct-1861, d. 18-Jul-1951)
Brother: Alexander Bain Chree (mathematician, b. 5-Jan-1865, d. 14-Feb-1886)

    High School: Old Aberdeen Grammar School, Aberdeen, Scotland
    University: University of Aberdeen (1879)
    University: BS Mathematics, Cambridge University (1883)
    University: BS Natural Sciences, Cambridge University (1883)
    Scholar: Mathmatical Physics, Cambridge University (1895-93)
    Administrator: Superintendent of Kew Observatory (1893-1925)

    Hughes Medal 1919
    Physical Society of London President (1908-10)
    Royal Meteorological Society President
    Royal Society 1897

Author of books:
Terrestrial Magnetism (1921)
Magnetic Disturbance and Its Relations to Aurora (1928)

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