J. K. Rowling,is a British author, best known as the creator of the Harry Potter fantasy series, the idea for which was conceived whilst on a train trip from Manchester to London in 1990. The Potter books have gained worldwide attention, won multiple awards, and sold more than 400 million copies.The Harry Potter films, the first five of which have earned around 2.7 billion pounds (4.3 billion dollars) at the box office, are based on Rowling’s seven-book series.