1592-1632. English politician, born in Cornwall. He became a member of Parliament 1614, and with the Earl of Buckingham's patronage was made a vice-admiral 1619. In 1626 he was imprisoned in the Tower of London for demanding Buckingham's impeachment. In 1628 he was a formidable supporter of the Petition of Right opposing Charles I, and with other parliamentary leaders was again imprisoned in the Tower of London 1629, where he died.