The document discusses the impact of Theodor Geisel, better known as Dr. Seuss, on American culture. It notes that Dr. Seuss wrote children's books from 1937 to 1990 and was also a political cartoonist during World War II. Many of Dr. Seuss's books have been adapted into popular movies and have influenced American vocabulary. Museums dedicated to Dr. Seuss help ensure his legacy lives on through interactive exhibits that teach children and explore his life and work.