Arthur was educated at Andover Grammar School as a private pupil by the Rev. J. Atkins, M.A. He entered Guy's in October 1906, then qualified in 1913 and worked as Clinical Assistant in the Throat Department and in the Genito-Urinary Department, as well as at the same time joining his brother, Mr. R. Tilbury, in partnership at Queen's Road, Peckham. Arthur played Association Football for the Hospital for one season, but while doing the appointment of Extern his health broke down and he developed a small tuberculous focus in his right apex, and had to leave the Hospital for a year, during which time under Dr. Fawcett's kindly supervision and care he recovered and was able to take the Conjoint Diploma in January, 1913. When war broke out he was called up as a reservist in the London University O.T.C., and was at once given a commission in the R.A.M.C. He was sent to Canterbury Barracks under Col. W. W. Pope, where he remained for one year. In September, 1915, on obtaining his Captaincy he was sent to Egypt with the Mediterranean Expeditionary Force, and was stationed at Boulac for over a year and then moved to Kantara. In March 1917 he went home on special duty. In May he proceeded overland to a French port with troops and sailed on May 3rd on the transport “Transylvania”, when it was proceeding to Egypt with reinforcements, and was sunk by a torpedo by the German U-boat U-63 off Cape Vado, a few kilometres south of Savona. Arthur was reported " missing, believed drowned " by the War Office. He was the son of John Tilbury, Sheardown House, Oakley, Hants,