Ralph Vaughan Williams after Boult, Sargent and Barbirolli are Vernon Handley, Richard Hickox, Sir Mark Elder and Sir Andrew Davis. Record companies with extensive lists of Vaughan Williams recordings include EMI, Decca, Chandos, Hyperion and Naxos. Vaughan Williams refused a knighthood at least once, and declined the post of Master of the King's Music after Elgar's death. The one state honour he accepted was the Order of Merit in 1935, which confers no prenominal title: he preferred to remain "Dr Vaughan Williams". His academic and musical honours included an honorary doctorate of music from the University of Oxford (1919); the Cobbett medal for
Ralph Vaughan Williams piano. Despite his age—he was forty-two in 1914—Vaughan Williams volunteered for military service on the outbreak of the First World War. Joining the Royal Army Medical Corps as a private, he drove ambulance wagons in France and later in Greece. Frogley writes of this period that Vaughan Williams was considerably older than most of his comrades, and "the back-breaking labour of dangerous night-time journeys through mud and rain must have been more than usually punishing". The war left its emotional mark on Vaughan Williams, who lost many comrades and friends, including the young composer George Butterworth. In 1917 Vaughan Williams