Image of Henry Perigal

Henry Perigal

died 124 years ago

6 June 1898

Henry Perigal was a clerk, stockbroker, amateur mathematician and astronomer. He is known for his mechanical production of geometric curves, for his dissection proof of Pythagoras' theorem and for his unorthodox ideas on astronomy.

Find out more at: https://mathshistory.st-andrews.ac.uk/Biographies/Perigal/