6/10. John F Kennedy . JFK concealed secrets that might destroy his presidency. He was glamorous, a patriot with a glittering record, a loving father and husband. But he hid fragile health and promiscuity. Producer Debbie Lee ; Series producer Chris Granlund RT DIRECT: save E5 on The World's Most Photographed hardback. Send a cheque for E20 (incl p&p) payable to Radio Times to: [address removed], or call [number removed]