Harold Spencer Jones

Sir Harold Spencer Jones (March 29 1890 – November 3 1960) was a British astronomer. His surname was "Spencer Jones".

Related Topics:
March 29 - 1890 - November 3 - 1960 - British - Astronomer

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In 1913 he became Chief Assistant at the Royal Greenwich Observatory. In 1933 he became Astronomer Royal. He was president of the International Astronomical Union from 1945–1948.

Related Topics:
1913 - Royal Greenwich Observatory - 1933 - Astronomer Royal - International Astronomical Union

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He determined the solar parallax from observations of 433 Eros during its close approach in 1930–1931.

Related Topics:
Parallax - 433 Eros - 1930 - 1931

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