“Do you remember me telling you we are practicing non-verbal spells, Potter?""Yes," said Harry stiffly."Yes, sir.""There's no need to call me "sir" Professor."The words had escaped him before he knew what he was saying.”

British author, philanthropist, producer, and screenwriter

J. K. Rowling, born Joanne Rowling, is a British author, philanthropist, producer, and screenwriter. She is known for creating the Harry Potter series, and she was born under her full name before becoming widely known by her pen name. Her Harry Potter books follow a young wizard across seven volumes and became the best-selling book series in history, with more than 600 million copies sold. She also writes the ongoing Cormoran Strike crime fiction series under the name Robert Galbraith.