Robert Allan Caro is an American journalist and author known for his celebrated 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, 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, a biography of the former president.
For his biographies, he has won two Pulitzer Prizes in Biography, the National Book Award, the Francis Parkman Prize two National Book Critics Circle Awards, the H.L. Mencken Award, the Carr P. Collins Award from the Texas Institute of Letters, the D.B. Hardeman Prize, and an Gold Medal in Biography from the American Academy of Arts and Letters.