William Howard, 1st Viscount Stafford

William Howard, 1st Viscount Stafford, FRS (30 November 1614 – 29 December 1680) was the youngest son of Thomas Howard, 21st Earl of Arundel, and his wife, the former Alethea Talbot. A Fellow of the Royal Society from 1665, he was a Royalist supporter before being falsely implicated by Titus Oates in the later discredited "Popish Plot", and executed for treason. He was beatified as a Catholic martyr by Pope Pius XI in 1929.