Royal Institute of International Affairs.

The Royal Institute of International Affairs, also known as Chatham House, is one of the world's leading institutes for the analysis of international issues. Founded in 1920, the Institute works to stimulate debate and research on political, business, security and other key issues in the international arena. It does this through its research, meetings, conferences and publications as well as through its library and information centre and expert interviews for the media.

From the guide to the Royal Institute of International Affairs: Commonwealth Conference, Nigeria, 1962, 1962, (Institute of Commonwealth Studies)