William Cavendish, 4th Duke of Devonshire, KG, PC (8 May 1720 – 2 October 1764), titled Lord Cavendish before 1729 and Marquess of Hartington between 1729 and 1755, was a British Whig statesman and nobleman who was temporarily titular 5th Prime Minister of Great Britain. He is also King Charles III's great-great-great-great-grandfather through the king's maternal great-grandmother.
Founded in 1773 , by Joseph & William Wickwar , Wickwar started as a luxury paper mill outside Newbury . In 1786 HMSO was founded and Joseph Wickwar won the contract to supply paper to Parliament .
In 1788 Joseph partnered with Joseph Bramah to produce luxury Despatch boxes for Royalty & Government and went on to produce in excess of 5,000 boxes and became the premier supplier of the Iconic red box .
The simple design of the famous Gladstone Box continues today & Wickwar manufacturers around 100 boxes per year using traditional skills & tools from its workshop in London .