Dr. Seuss, born Theodor Seuss Geisel on March 2, 1904, was an American author and illustrator known for his whimsical children's books. His unique rhyming style and imaginative characters have made stories like The Cat in the Hat and Green Eggs and Ham beloved by generations. Throughout his career, Dr. Seuss published over 60 books, many of which have been adapted into films and stage productions. His work often includes moral lessons and encourages creativity, making him a significant figure in children's literature. Dr. Seuss passed away on September 24, 1991, but his legacy continues to inspire young readers.