To Our Readers: May 2, 1994

It should come as no surprise that men who served as President of the U.S. have appeared more than 200 times on our cover -- some more often than others. Herbert Hoover was the only occupant of the Oval Office since TIME began in 1923 who was not on our cover, although he was portrayed there before and after his presidency. Franklin D. Roosevelt, who won an unprecedented four presidential elections, was our cover subject a mere nine times. By contrast, two-termer Ronald Reagan was pictured on 44 of our domestic covers.

Richard Milhous Nixon lay near death for four days...