James Jeans

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Sir James Jeans OM FRS
Born	James Hopwood Jeans (1877-09-11)11 September 1877 Ormskirk, Lancashire, England
Died	16 September 1946(1946-09-16) (aged 69) Dorking, Surrey, England
Alma mater	Merchant Taylors' School; Cambridge University
Known for	Jeans equations Jeans escape Jeans instability Jeans mass Jeans length Jeans's theorem Rayleigh–Jeans law Method of image charges Tidal hypothesis
Awards	Smith's Prize (1901) Adams Prize (1917) Royal Medal (1919) RAS Gold Medal (1922)
Scientific career
Fields	Astronomy, mathematics, physics
Institutions	Trinity College, Cambridge; Princeton University
Notable students	Ronald Fisher

Sir James Hopwood Jeans OM FRS^[1] (11 September 1877 – 16 September 1946^[2]) was an English physicist, mathematician and an astronomer. He served as a secretary of the Royal Society from 1919 to 1929, and was the president of the Royal Astronomical Society from 1925 to 1927, and won its Gold Medal.^[3]