1949 – He was born on the 4th of December in Norwalk, Connecticut.
1971 – He graduated from Princeton University.
1978 – He wrote biographies "Max Perkins: Editor of Genius".
1979 – He won the National Book Award for Max Perkins: Editor of Genius.
1989 – Won Guggenheim Fellowship for Goldwyn: A Biography.
1998 – He wrote the biography for Lindbergh.
1999 – He won Pulitzer Prize for biography Lindbergh.
– He authored biographies of Katharine Hepburn.
– He is currently working on a biography of U.S. President Woodrow Wilson.