How j k Rowling showed persistence to achieve something remarkable?

J.K. Rowling is the author of the best selling Harry Potter series.

She is the UK's best selling author and twelfth richest woman. Rowling was the first female author to become a billionaire, a status she lost after donating large sums of money to various charities.

Rowling is also the founder of Lumos, a charity that aims to prevent children from being institutionalised.