Most academics take eight to 10 years after earning a PhD to become doctoral supervisors. But semiconductor scientist Jiang Jianfeng has done it in just 18 months. The 30-year-old only earned his PhD in June 2024. After briefly serving as a postdoctoral researcher at the Massachusetts Institute of Technology (MIT), he has now returned to Peking University to serve as a principal investigator, associate professor and PhD supervisor. Jiang’s research focuses on two-dimensional indium selenide...