is David McCullough or Nick Hornby an American author?
David McCullough David Gaub McCullough ( ; born July 7, 1933) is an American author, narrator, historian, and lecturer. He is a two-time winner of the Pulitzer Prize and the National Book Award and a recipient of the Presidential Medal of Freedom, the United States' highest civilian award.
Ellen McCulloch Ellen Margery McCulloch OAM (23 April 1930 – 13 November 2005) was a Melbourne-based Australian nature writer and amateur ornithologist who had a long association with Bird Observation & Conservation Australia (BOCA, formerly the Bird Observers Club).