London | University of London | University College London | Society of Jesus | Royal Society | London School of Economics | King's College London | National Geographic Society | Tower of London | City of London | London Underground | London Symphony Orchestra | London, Ontario | American Cancer Society | London Stock Exchange | London Borough of Hackney | Imperial College London | Jack London | Hyde Park, London | Great Fire of London | Chelsea, London | London Marathon | London and North Western Railway | 7 July 2005 London bombings | London Philharmonic Orchestra | London Palladium | Bishop of London | South London | London, Midland and Scottish Railway | Lord Mayor of London |
He joined the London Positivist Society immediately after graduating from Cambridge and succeeded Edward Spencer Beesly as President of the London Positivist Society (1901–1923).