Henry Perigal
British mathematician
Died when: 97 years 66 days (1166 months)Star Sign: Aries
Henry Perigal, Jr.FRAS MRI (1 April 1801 – 6 June 1898) was a British stockbroker and amateur mathematician, known for his dissection-based proof of the Pythagorean theorem and for his unorthodox belief that the moon does not rotate.
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