Joanne Rowling, CH, OBE, FRSL, FRCPE ( born 31 July 1965), who writes under the pen names J. K. Rowling and Robert Galbraith, is a British novelist and screenwriter who is best known for writing the Harry Potter fantasy series. The books have won multiple awards, and sold more than 400 million copies. They have become the best-selling book series in history and been the basis for a series of films, over which Rowling had overall approval on the scripts and was a producer on the final films in the series.

For more information press link below:

https://en.wikipedia.org/wiki/J._K._Rowling