How many presidents were in office between 1919 and 2008?

Theodore Roosevelt William Taft "Big Bill" Woodrow Wilson Warren G. Harding Calvin Coolidge Herbert Hoover Franklin D. Roosevelt Harry S. Truman Dwight D. Eisenhower John F. Kennedy Lydon B. Johnson Richard M. Nixon Gerald R. Ford Jimmy Carter Ronald Reagan George H.W. Bush William J. B. Clinton George W. Bush