Chinese mathematician Wei Dongyi, a two-time IMO gold medalist who once turned down Harvard, is also known for his frugal lifestyle, reportedly spending less than 300 yuan (US$44) a month in Beijing.
Add Yahoo as a preferred source to see more of our stories on Google. A Chinese genius flexed his mathematical prowess by solving a problem that flummoxed a team of mathematicians with Ph.D.s for four ...
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