J. K. Rowling wrote Harry Potter and the Philosopher's Stone.
Harry Potter is a series of fantasy novels written by British author J. K. Rowling . J. K. Rowling . The seven-year period that followed saw the death of her mother , birth of her first child , divorce from her first husband and relative poverty until she finished the first novel in the series , Harry Potter and the Philosopher 's Stone , in 1997 .