4. John F. Kennedy, Age 21 And 20
In office: January 20, 1961 – November 22, 1963
Being the President of the United States is one of the most powerful jobs in the world. Before these particular men became President, they were once young and not-so powerful. We take a look at 10 younger pictures of former, and current US Presidents in their earlier days. It’s amazing to see how some of them are barely recognisable and how a term in the President’s seat changed the way they look.