Charles, Prince of Wales (Charles Philip Arthur George; born 14 November 1948), is the eldest child and heir apparent of Queen Elizabeth II. Known alternatively in Scotland as Duke of Rothesay and in South West England as Duke of Cornwall, he is the longest-serving heir apparent in British history, having held the position since 1952. He is also the oldest heir to the throne since 1714.Charles was born at Buckingham Palace as the first grandchild of King George VI and Queen Elizabeth. He was educated at Cheam and Gordonstoun Schools, which his father, Prince Philip, Duke of Edinburgh, had attended as a child, as well as the Timbertop campus of Geelong Grammar School in Victoria, Australia. After earning a bachelor of arts degree from Trinity College, Cambridge, Charles served in the Royal Navy from 1971 to 1976.Charles's interests encompass a range of humanitarian and social issues: he founded The Prince's Trust in 1976, sponsors The Prince's Charities, and is patron of numerous other charitable and arts organisations. He has long championed organic farming and sought to raise world awareness of the dangers facing the natural environment, such as climate change. As an environmentalist, he has received numerous awards and recognition from environmental groups around the world. His 2010 book, Harmony: A New Way of Looking at Our World, won the Nautilus Book Award. He has been outspoken on the role of architecture in society and the conservation of historic buildings, and produced a book on the subject called A Vision of Britain: A Personal View of Architecture in 1989. He has also promoted herbal and other alternative medical treatment. In 1980, he wrote a children's book titled The Old Man of Lochnagar. The book was later adapted into an animation short film, a musical stage play and a ballet.In 1981, he married Lady Diana Spencer and they had two sons, Prince William, Duke of Cambridge (born 1982), and Prince Harry (born 1984). In 1996, the couple divorced, following well-publicised extra-marital affairs. The following year, the former Princess of Wales died in a car crash. In 2005, he married Camilla Parker Bowles in a civil ceremony followed by a televised blessing service. Camilla uses the title Duchess of Cornwall.