John De Lacy Wooldridge, (18 July 1919 – 27 October 1958) was a Royal Air Force officer and bomber pilot, and a British film composer. Early life Wooldridge was born in Yokohama, Japan, and was educated at St Paul's School, London. A talented music composer and academic, he studied music under Sibelius and was a friend and contemporary of William Walton. Second World War Wooldridge joined the Royal Air Force as a sergeant pilot in 1938. During the Second World War, he was a member of RAF Bomber Command, flying a total of 97 operational bombing sorties. He was affectionately known as "Dim". He served with No. 207 Squadron based at RAF Bottesford flying Avro Manchesters. He then served with No. 106 Squadron as one of Wing Commander Guy Gibson's flight commanders, before being appointed commanding officer of No. 105 Squadron in March 1943, which specialised in low level precision daylight bombing using de Havilland Mosquito aircraft. Wooldridge wrote a book, Low Attack, about these operations in 1944. In May 1944, while in America, Wooldridge volunteered to ferry one of the first Canadian-built Mosquitoes across the Atlantic to Britain and, accompanied by Flying Officer C. J. Brown as navigator, set a new record for the Atlantic crossing from Goose Bay, Labrador to the United Kingdom, of 5 hours, 46 minutes. The previous record for the Labrador-Britain route had been held by a BOAC Liberator at 7 hours 56 minutes. Wooldridge was aeronautical adviser to the Petroleum Warfare Department during the development of the Fog Investigation and Dispersal Operation (FIDO) fog dispersal system. Musical career His first professionally performed work was the symphonic poem A Solemn Hymn for Victory, premiered by Artur Rodzinski and the New York Philharmonic Orchestra at Carnegie Hall on 30 Nov. 1944. Rodzinski reportedly had promised to give him one performance of his work for every five German planes he shot down. Later that year John Barbirolli conducted the Halle Orchestra in the UK premiere. Wooldridge also contributed the score and co-wrote the screenplay to the 1953 film based on his own story, Appointment in London featuring Dirk Bogarde as a Wing commander. Personal life Wooldridge's first marriage was in 1942 to Mary Latham, with whom he had a son, Morris Latham, who also became a pilot. The union ended in divorce. He subsequently married the actress Margaretta Scott in 1948, with whom he had a daughter,