John Perry (14 February 1850 – 4 August 1920) was a pioneering engineer and mathematician from Ireland. == Life == He was born on 14 February 1850 at Garvagh, County Londonderry, the second son of Samuel Perry and a Scottish-born wife.
John Perry (14 February 1850 – 4 August 1920) was a pioneering engineer and mathematician from Ireland. == Life == He was born on 14 February 1850 at Garvagh, County Londonderry, the second son of Samuel Perry and a Scottish-born wife.
Source: Wikipedia "John Perry (engineer)" · CC BY-SA 4.0
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