Henry Perigal
Henry Perigal | |
|---|---|
Henry Perigal | |
| Born | 1 April 1801 |
| Died | 6 June 1898 (aged 97) |
| Nationality | British |
| Known for | Pythagorean theorem |
| Scientific career | |
| Fields | Mathematics, Astronomy |
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.