William Brouncker, English mathematician (born 1620)

William Brouncker, 2nd Viscount Brouncker

Anglo-Irish peer and mathematician (1620–1684)

William Brouncker, 2nd Viscount Brouncker FRS was an Anglo-Irish peer and mathematician who served as the president of the Royal Society from 1662 to 1677. Best known for introducing Brouncker's formula, he also worked as a civil servant, serving as a commissioner in the Royal…