That donor was the student's father, Malaysian billionaire (but Hong Kong resident) Robert Kuok.

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He gave it up to set up a small trading company and later a sugar and palm-oil venture with Malaysian tycoon Robert Kuok.

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So 23 members of the list saw their wealth increase, led by perennial No. 1 and No. 2, Robert Kuok and Ananda Krishnan.

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His other major agribusiness asset is pt Tidar Kerinci Agung, a palm-oil producer in West Sumatra that began as a joint venture with Malaysia's Robert Kuok, who has since exited.

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Thanks to millions chipped in by Li Ka-shing (No. 9 on the billionaires list), Robert Kuok (No. 104), brothers Ronnie and Gerald Chan and others, Yau's institutes have trained hundreds of postgraduates.

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