Martin Gardner was an American mathematician, writer, and popularizer of mathematics, born on October 21, 1914, and passing on May 22, 2010. He is best known for his long-running column in Scientific American, where he introduced readers to various mathematical puzzles, games, and concepts. His work helped to make mathematics accessible and enjoyable for a general audience. In addition to his contributions to mathematics, Gardner wrote extensively on topics such as magic, philosophy, and science. He authored over 70 books, including the influential "Mathematical Games" series, which inspired many to explore the beauty and intrigue of mathematics. His legacy continues to influence educators and enthusiasts alike.