Prince Gustaf Adolf of Sweden was born on April 22, 1906, and was a member of the Swedish royal family. He was the son of Prince Carl, Duke of Västergötland and Princess Ingeborg of Sweden. Gustaf Adolf was known for his interest in aviation and served in the Swedish Air Force. Tragically, he died in a plane crash on January 26, 1947, in Copenhagen, Denmark. His death was a significant loss for the Swedish royal family, and he was posthumously honored for his contributions to the country. His legacy continues through his descendants, including King Carl XVI Gustaf of Sweden.