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 in 1929.
