fessor at Harvard University. His mother was Korean and a doctor. He was a mixed-race person who skipped grades and graduated from Harvard with two bachelor's and one master's degree, majoring in medi...emember the way, and their GPS was broken. Luckily, MuMu had brought a map, so the three of them studied it on the road. At a crossroads, they didn't know which way to go. 。Mumu felt they should go st...