Robert Allan Caro (born Oct 30, 1935) is an American journalist and author known for his biographies of United States political figures Robert Moses and Lyndon B. Johnson. After working for many years as a reporter, Caro wrote The Power Broker (1974), a biography of New York urban planner Robert Moses, which was chosen by the Modern Library as one of the hundred greatest nonfiction books of the twentieth century. He has since written four of a planned five volumes of The Years of Lyndon Johnson (1982, 1990, 2002, 2012), a biography of the former president. For his biographies, he has won two Pulitzer Prizes in Biography, two National Book Awards (including one for Lifetime Achievement), the Francis Parkman Prize (awarded by the Society of American Historians to the book that "best exemplifies the union of the historian and the artist"), three National Book Critics Circle Awards. Less