John Goodricke FRS
(1764-1786)

Died aged c. 22

John Goodricke FRS (17 September 1764 – 20 April 1786) was an English amateur astronomer. He is best known for his observations of the variable star Algol (Beta Persei) in 1782.

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Commemorated on 2 plaques

From a window in Treasurer's House near this tablet, the young deaf and dumb astronomer John Goodricke 1764 - 1786 who was elected a Fellow of the Royal Society at the age of 21, observed the periodicity of the star ALGOL and discovered the variation of δ CEPHEI and other stars thus laying the foundation of modern measurement of the Universe.

Minster Yard, York, United Kingdom where they observed the periodicity of the star ALGOL and discovered the variation of δ CEPHEI

From Treasurer's House, the deaf astronomer John Goodricke FRS 1764 - 1786 observed variable stars including ALGOL and δCEPHEI making possible the modern measurement of the Universe

Minster Yard, York, United Kingdom where they worked