is David McCullough or Nick Hornby an American author?
Nick Hornby Nicholas Peter John "Nick" Hornby (born 17 April 1957) is an English novelist, essayist, lyricist, and screenwriter. He is best known for his memoir "Fever Pitch" and novels "High Fidelity" and "About a Boy", all of which were adapted into feature films. Hornby's work frequently touches upon music, sport, and the aimless and obsessive natures of his protagonists. His books have sold more than 5 million copies worldwide as of 2013. In a 2004 poll for the BBC, Hornby was named the 29th most influential person in British culture.
Nicholas Kralev Nicholas Kralev (born 1974) is an American author, journalist, analyst, speaker and entrepreneur specializing in international affairs and global travel. He has been particularly recognized for his work on American diplomacy and the U.S. Foreign Service.