The famous author known for the "Harry Potter" series is J.K. Rowling. She created the beloved character of Harry Potter, a young wizard attending Hogwarts School of Witchcraft and Wizardry. The series explores themes of friendship, bravery, and the battle between good and evil, capturing the imaginations of readers worldwide. Rowling's success transformed her from a struggling single mother into a best-selling author, and her impact on children's literature is profound. The "Harry Potter" franchise has extended into films, merchandise, and a dedicated global fanbase, solidifying her place in literary history.