Paul Keres was an Estonian chess grandmaster and one of the strongest chess players of all time. On four consecutive occasions he missed the chance of a World Championship match by being runner-up in the Candidates' Tournament. Many claim him to be the strongest player never to become World Chess Champion. He was dubbed "The Crown Prince of Chess". Wikipedia
The definitive Wikipedia entry for Paul Keres. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Paul_Keres
Remembering Paul Keres 03.06.2003 Twenty-eight years ago one of the brightest stars of chess, Paul Keres, unexpectedly died of a heart attack on his way back home from a tournament triumph in Vancouver, Canada. www.chessbase.com/newsdetail.asp?newsid=983
Paul Keres was one of the most important figures in the history of chess; he is loved and respected by his fellow countrymen not only because of his great talent but also because he shared the fate of his fatherland in reaching the world arena. Keres - B www.vm.ee/est/kat_29/3921.html