Dudley Ryder, 6th Earl of Harrowby (11 October 1892 – 7 May 1987), known as Viscount Sandon from 1900 to 1956, was a British hereditary peer and Conservative Member of Parliament.
[2] Harrowby was a Territorial officer in the Royal Field Artillery and served through World War I, during which he was wounded, rising to the rank of Major.
[2] He was re-employed in World War II as a Major with the Royal Artillery.
Harrowby was also a member of the Commission on Historical Manuscripts from 1935 to 1966 and was the author of Geography of Everyday Things and (jointly) England at Worship.
He also became a Deputy Lieutenant (DL) for Staffordshire in 1925 and a Justice of the Peace (JP) for the same county in 1929.