D. Adams, commonly known as Douglas Adams, was a British author and humorist best known for his science fiction series, The Hitchhiker's Guide to the Galaxy. Born on March 11, 1952, he gained fame for his unique blend of wit, satire, and philosophical insights, which have captivated readers since the series first aired as a radio show in 1978. In addition to his work on The Hitchhiker's Guide to the Galaxy, Adams wrote several other novels, including Dirk Gently's Holistic Detective Agency. He was also a scriptwriter and contributed to various television shows. Adams passed away on May 11, 2001, leaving a lasting legacy in the world of literature and entertainment.