Personal Memories of John F. Kennedy
At 43, he was the youngest man to be elected and the only Catholic President of the United States. His youth and religion were issues in 1960 when he won the office by quite a bit less than a landslide. After his assassination in 1963, at age 46, those issues became irrelevant - and 64% of those polled at the time claimed to have voted for him when he was elected, though his margin of victory was just over 50%.
