Charles, Prince of Wales is the eldest child and, since 1952, heir apparent of Queen Elizabeth II. Since 1958 his major title has been His Royal Highness The Prince of Wales. In Scotland he is additionally known as The Duke of Rothesay. He is the longest-serving heir apparent in British history.
His 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 many other charitable and arts organisations. For many years, he has championed organic farming and sought to raise world awareness of the dangers facing the natural environment, such as climate change. 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 in 1989. He has also promoted herbal and other alternative medical treatment.