4th Earl of Orford 1717-1797. English novelist and politician, the son of Robert Walpole. He was a Whig member of Parliament 1741-67. He converted his house at Strawberry Hill, Twickenham (then a separate town SW of London), into a Gothic castle; his The Castle of Otranto 1764 established the genre of the Gothic, or `romance of terror', novel.