Its founders and early members included John Stuart Mill, Lord Eversley, William Morris, Sir Robert Hunter, and Octavia Hill.
Society of Jesus | Royal Society | National Geographic Society | Australian Open | French Open | American Cancer Society | Open University | open source | U.S. Open | Royal Television Society | American Physical Society | American Chemical Society | International Society for Krishna Consciousness | American Society of Civil Engineers | Royal Society of Canada | Royal Geographical Society | American Philosophical Society | Theosophical Society | Royal Society of Edinburgh | Society of Antiquaries of London | Wacken Open Air | Society of the Cincinnati | Society for the Prevention of Cruelty to Animals | Justice Society of America | American Mathematical Society | Royal Aeronautical Society | National Honor Society | Black Label Society | The Open Championship | Students for a Democratic Society |
He was Honorary Treasurer of the Commons, Open Space and Footpaths Preservation Society; Member of Box Hill Committee and Leith Hill Committee of the National Trust.