What do all of these people have in common?

Edwin "Buzz" Aldrin - Louis Armstrong - Johann Christian Bach - Irving Berlin - James Buchanan - Nat King Cole - Davy Crockett - Bob Dole - Sir Arthur Conan Doyle - Duke Ellington - John Elway - Gerald R. Ford - Benjamin Franklin - Clark Gable - James A. Garfield - John Hancock - Warren G. Harding - J. Edgar Hoover - Harry Houdini - Andrew Jackson - Andrew Johnson - Lyndon B. Johnson - Marquis de Lafayette - General Douglas MacArthur - Thurgood Marshall - Harpo Marx - William McKinley - James Monroe - Wolfgang Amadeus Mozart - Brad Paisley - Arnold Palmer - Prince Philip, Duke of Edinburgh - George Pickett - Albert Pike - Scottie Pippen - James K. Polk - Paul Revere - All 7 Ringling Brothers - Roy Rogers - Theodore Roosevelt - Franklin Delano Roosevelt - Peter Sellers - Richard Bernard "Red" Skelton - William Howard Taft - Harry S. Truman - Mark Twain - George Washington - John Wayne - Oscar Wilde - Steve Wozniak