Besides Rice, US talk show host Oprah Winfrey is the only person to have appeared all four years, featuring in the "heroes and pioneers" section in an entry written by anti-apartheid campaigner Nelson Mandela.

Other "heroes" include billionaire investor and philanthropist Warren Buffett, rubbing shoulders with tennis champion Roger Federer, footballer Thierry Henry and Chinese online activist Zeng Jinyan.

Actor and director George Clooney, who has been campaigning to raise awareness about the situation in the Sudanese region of Darfur, is meanwhile named along with Parkinson's disease sufferer and fellow actor Michael J. Fox.

British entrepreneur Richard Branson makes a show in the "builders and titans" section along with Chad Hurley and Steve Chen, the co-founders of video sharing website YouTube, and luxury brand guru and LVMH boss Bernard Arnault.

Indian steel magnate Lakshmi Mittal, the world's fifth richest man, also appears alongside Apple chief Steve Jobs.

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