J.K. Rowling is a British author, best known for her Harry Potter series. She is one of the most successful authors of all time, having sold over 500 million copies of her books worldwide. Rowling is also the creator of the Wizarding World, a universe of magical creatures, characters, and stories that have captivated readers of all ages. Rowling has also written several other books, including the Cormoran Strike series and The Casual Vacancy. She is an advocate for literacy and education, and has donated millions of dollars to charities and organizations that support these causes. Rowling is an inspiration to many, and her work has been praised for its creativity and imagination.