bronze plaque · York
John Goodricke FRS

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.
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Source: Open Plaques. Geographic data via OpenStreetMap.