 The Bureau began its propaganda campaign on 2 September 1914 when Masterman invited 25 leading British authors to Wellington House to discuss ways of best promoting Britain's interests during the war.Those who attended included William Archer, Hall Caine, Arthur Conan Doyle, Arnold Bennett, John Masefield, G. K. Chesterton, Henry Newbolt, John Galsworthy, Thomas Hardy, Gilbert Parker, G. M. Trevelyan and H. G. Wells.Rudyard Kipling had been invited to the meeting but was unable to attend.