The Nobel Prize in Physics 2004 was awarded jointly to David J. Gross, H. David Politzer and Frank Wilczek "for the discovery of asymptotic freedom in the theory of the strong interaction."
See the list of all Nobel Prizes, awarded for "the greatest benefit to mankind."
In his will, Alfred Nobel left 31 million SEK to found the Nobel Prizes.
Medicine Laureate Shinya Yamanaka talks about the importance of taking risks.