Arthur Edwin Boycott FRS (6 April 1877,

Hereford Hereford () is a cathedral city, civil parish and the county town of Herefordshire, England. It lies on the River Wye, approximately east of the border with Wales, south-west of Worcester and north-west of Gloucester. With a population ...

— 12 May 1938, Ewen) was a British pathologist and naturalist. While studying blood sedimentation he discovered that when test tubes are slightly tilted, sedimentation takes place at a much higher rate. The effect, named after him "the Boycott effect", plays a major role in the phenomenon of the sinking bubbles in Guinness stout beer. On 8 December 2016, it was reported that a book that Boycott borrowed from Hereford Cathedral School sometime between 1886 and 1894 was returned to the school by his granddaughter Alice Gillett.

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1877 births 1938 deaths Fellows of the Royal Society People educated at Hereford Cathedral School British pathologists British naturalists People from Hereford People from Kemble, Gloucestershire {{UK-scientist-stub