Chatham House Chatham House The Royal Institute of International Affairs, commonly known as Chatham House, is a not-for-profit and non-governmental organisation based in London whose mission is to analyse and promote the understanding of major international issues and current affairs. It is the originator of the Chatham House Rule and takes its name from the building where it is based, a Grade I listed 18th-century house in St James's Square, designed in part by Henry Flitcroft and occupied by three British prime ministers, including William Pitt, 1st Earl of Chatham. In the University of Pennsylvania’s rankings (announced in January 2017) for their
The Death of the Earl of Chatham to explain." Chatham replied in third person: "It is an unspeakable concern to him, to find himself under so wide a difference with the Duke of Richmond, as between the "sovereignty" and "allegiance" of America, that he despairs of bringing about successfully any honourable issue". Chatham was determined to answer Richmond's motion and so on 7 April he went to the House of Lords, swathed in flannels, supported by crutches and leaning on the arm of his 18-year-old son William Pitt the Younger. Lord Camden wrote to Lord Grafton, describing Chatham as: ...pale and emaciated. Within his large wig little