Charles Kay Ogden was a British philosopher born on June 1, 1889, and died on March 21, 1957. He is known for his contributions to the fields of philosophy, particularly in the areas of language philosophy and logic. His most famous work is 'The Meaning of Meaning', co-authored with John C. Riley, which explored the relationship between language and meaning. Ogden also developed the 'Basic Vocabulary' theory, aiming to simplify language teaching and communication.