Wen Hui “Sophia” Cheng is the winner, together with Mattias Richter, of the Grand Prize 2017 Sustainability Innovation Student Challenge Award from the Resnick Institute at Caltech. Cheng and Richter are cited for their results leading to record efficiency in hydrogen generation by photoelectrochemical water splitting. See more here: http://resnick.caltech.edu/sisca-winners.php