Lewis Gompertz
Lewis Gompertz (c.1784-1861) was an English writer and inventor, and early animal rights and veganism advocate. He was a founding member, in June 1824, of the English Society for the Prevention of Cruelty to Animals; later the RSPCA. Gompertz was the younger brother of the mathematician and actuary Benjamin Gompertz and the poet Isaac Gompertz.
Gompertz was born into a large and wealthy family of London diamond merchants, the fifth son of his father Solomon Barent Gompertz's (1729 – c. 1807) second marriage.
1821 Modified Baron de Drais' velocipede. [1]