Anthony James Chadwick Sumption DSC VRD (15 May 1919 – 8 January 2008) was a British tax lawyer and wartime submarine RN commander. Early life Sumption was born at Bishop's Stortford. His father, John Chadwick Sumption was a journalist who wrote for trade journals, and his mother was Winifred Fanny Sumption. He was educated at Cheltenham College, where he joined the Royal Naval Volunteer Reserve. After leaving school, he began training as an articled clerk, and then decided to study Law at the London School of Economics. War service Sumption was called up for active service during the German annexation of the Sudetenland in 1938, but stood down later that year after the Munich Agreement. He returned to his studies at the LSE, but was called up again in 1940 after outbreak of the Second World War. He volunteered to serve as a submariner in 1941, and trained on , and . He was commissioned in the Royal Navy, becoming a Lieutenant in January 1942, and promoted First Lieutenant of in May 1943. In February 1944, Sumption and his captain, Lieutenant Commander Peter Newstead, were awarded the Distinguished Service Cross for "outstanding courage, skill and undaunted devotion to duty in successful patrols in H.M. Submarine Trident". From August 1944 to June 1945, he commanded . He served as Flag Lieutenant to Vice Admiral Victor Crutchley, Flag Officer Gibraltar and Mediterranean Approaches, for six months until he was demobilised in 1946 and returned again to his studies. He remained an officer in the RNVR, and was promoted to Lieutenant Commander in 1950. He was awarded the Volunteer Reserve Decoration in 1953 and finally retired from naval service in 1955. Legal career Sumption qualified as a solicitor in 1946, building a small commercial and banking law practice and eventually specialising in the highly lucrative area of tax law. By 1964, he had become bored with being a solicitor and decided to become a barrister, In addition to his advocacy work, he wrote books on tax law, and spent five years as a part-time judge, before retiring in 1986. Other activities Sumption and Humphry Berkeley jointly established a small merchant bank, Sumption Berkeley, in the 1960s. He was also the chairman of two publicly listed companies: Great Swan Investments and Allied Investments. Sumption sold his interest in the bank in 1971. He was involved in politics in the 1950s and 1960s, serving as