J. K. Rowling (in-universe)

"Professor Dumbledore seems to have been writing for a Wizarding audience, so I have occasionally inserted an explanation of a term or fact that might need clarification for Muggle readers."

- J. K. Rowling, The Tales of Beedle the Bard

J. K. Rowling was a Squib who authored Wizards' Book and the 2008 edition of The Tales of Beedle the Bard. Along with Comic Relief U.K., she set up a fund in Harry Potter's name for proceeds from the sales of special copies of Fantastic Beasts and Where to Find Them and Quidditch Through the Ages to be used to help struggling children worldwide.

Behind the scenes

 * As this individual is the in-universe counterpart of J. K. Rowling, it is likely she also authored the in-universe counterpart of the Harry Potter series.

Appearances

 * Fantastic Beasts and Where to Find Them
 * Quidditch Through the Ages
 * The Tales of Beedle the Bard
 * J.K. Rowling's Official Site