Esther Grace Earl was an American author, internet vlogger, online personality and a Nerdfighter, as well as an activist in the Harry Potter Alliance. Prior to her death from cancer in 2010, Earl became friends with author John Green, who credited her for inspiring him to complete the novel that became 2012 bestseller The Fault in Our Stars. In 2014, Earl's writings were compiled and released as the book This Star Won't Go Out, which appeared in 2014 on the New York Times bestseller list for young adult books.
