Frederick James Hargreaves

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Frederick James Hargreaves (10 February 1891 – 4 September 1970) was a British astronomer and optician.

He was considered the foremost optician in Britain, and was noted for his skill in mirror making and other optics for astronomical telescopes. He also made a series of observations and drawings of the turbulence in the belts and zones of Jupiter's atmosphere.

He served as president of both the British Astronomical Association and the Royal Astronomical Society.

Awards and honors[edit]

See also[edit]


  • The size of the universe, 1948, Penguin Books.
  • A Description of a Reflecting Telescope with Unusual Features, Quarterly Journal of the Royal Astronomical Society, 3 (March 1962) 25-30.
  • A Home-made Equatorial, The Observatory, 49 (Oct. 1926) 299-302.
  • The Northumberland Telescope at Cambridge Observatory, The Observatory 60 (Dec. 1937) 322-325.