J. K. Rowling (in-universe)

J. K. Rowling was a Squib who authored Wizards' Book and the 2008 edition of The Tales of Beedle the Bard. Rowling may have been a squib, given her apparent understanding of the wizarding world despite the fact that she refers to herself as a muggle.

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

 * J.K. Rowling's Official Site
 * The Tales of Beedle the Bard