Ronald Chernow (/ˈtʃɜːrnaʊ/; born March 3, 1949) is an American writer, journalist, and biographer. He has written bestselling historical non-fiction biographies.
Chernow won the 2011 Pulitzer Prize for Biography and the 2011 American History Book Prize for his 2010 book Washington: A Life. He is also the recipient of the National Book Award for Nonfiction for his 1990 book The House of Morgan: An American Banking Dynasty and the Rise of Modern Finance. His biographies of Alexander Hamilton (2004) and John D. Rockefeller (1998) were both nominated for National Book Critics Circle Awards. His biography of Hamilton inspired the popular Hamilton musical, which Chernow worked on as a historical consultant. For another book, The Warburgs: The Twentieth-Century Odyssey of a Remarkable Jewish Family, he was awarded the 1993 George S. Eccles Prize for Excellence in Economic Writing. As a freelance journalist, Chernow has written over sixty articles for various national publications.