Sir Patrick Alfred Caldwell-Moore (4 March 1923 – 9 December 2012) was an English amateur astronomer who attained prominent status in that field as a writer, researcher, radio commentator and television presenter.Moore was President of the British Astronomical Association, co-founder and president of the Society for Popular Astronomy, author of over seventy books on astronomy, and presenter of the world's longest-running television series with the same original presenter, BBC's The Sky at Night. He became known as a specialist in Moon observation and for creating the Caldwell catalogue. Idiosyncrasies such as his rapid diction and monocle made him a popular and instantly recognisable figure on British television. Moore was also a self-taught xylophonist and pianist, as well as an accomplished composer. He was an amateur cricketer, golfer and chess player. In addition to many popular science books, he wrote numerous works of fiction. He was an opponent of fox hunting, an outspoken critic of the European Union and a supporter of the UK Independence Party, and he served as chairman of the short-lived anti-immigration United Country Party. He served in the Royal Air Force during World War II. Moore never married or had children; he did claim that he was once engaged, and his fiancée was killed during the war.