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
Duke of Argyll Morvern, and Tiree" for his services to William of Orange. His son, the 2nd Duke, was created Baron Chatham and Earl of Greenwich in 1705 as a reward for his support for the Act of Union and further elevated to the title Duke of Greenwich in 1719. Upon his death his Scottish titles passed to his brother and the English titles became extinct. The 5th Duke sat as a member of parliament for Glasgow until his father's accession to the Dukedom in 1761 disqualified him from representing a Scottish seat. He then became the member for Dover until 1766, when