Porcelain maker in Bristol.
1743 Born in Bristol, the son of Joseph Champion (1714-1794)
1762 After being educated in London, he started work with his uncle Richard Champion (1704-1766), a Bristol merchant.
1768 Joseph Fry subscribed £1500 to establish the Bristol china works of Richard Champion.
1773 Bought Porcelain works in Castle Green, Bristol and a patent from William Cookworthy to produce true or hard-paste porcelain.
Sold patent in 1781. 
1784 Emigrated to America.
1791 Died in Camden, South Carolina
Most of the above information is drawn from 'The Descendants of William Champion'