Joyce Appleby on Thomas Jefferson
Louis Auchincloss on Theodore Roosevelt
Jean H. Baker on James Buchanan
H. W. Brands on Woodrow Wilson
Alan Brinkley on John F. Kennedy
Douglas Brinkley on Gerald R. Ford
Josiah Bunting III on Ulysses S. Grant
James MacGregor Burns and Susan Dunn on George Washington
Charles W. Calhoun on Benjamin Harrison
Gail Collins on William Henry Harrison
Robert Dallek on Harry S. Truman
John W. Dean on Warren G. Harding
John Patrick Diggins on John Adams
Elizabeth Drew on Richard M. Nixon
John S. D. Eisenhower on Zachary Taylor
Annette Gordon-Reed on Andrew Johnson
Henry F. Graff on Grover Cleveland
David Greenberg on Calvin Coolidge
Gary Hart on James Monroe
Hendrik Hertzberg on Jimmy Carter
Roy Jenkins on Franklin Delano Roosevelt
Zachary Karabell on Chester Alan Arthur
Lewis H. Lapham on William Howard Taft
William E. Leuchtenburg on Herbert Hoover
Gary May on John Tyler
George S. McGovern on Abraham Lincoln
Timothy Naftali on George Bush
Charles Peters on London B. Johnson
Kevin Phillips on William McKinley
Robert V. Remini on John Quincy Adams
Ira Rutkow on James A. Garfield
John Seigenthaler on James K. Polk
Hans L. Trefousse on Rutherford B. Hayes
Tom Wicker on Dwight D. Eisenhower
Ted Widmer on Martin Van Buren
Sean Wilentz on Andrew Jackson
Garry Wills on James Madison