Every year, the World Economic Forum recognizes the best scientists in the world under the age of 40. The Young Scientists Class of 2018 features 36 leading academics from 21 countries across six continents.
A full list can be found here: https://www.weforum.org/press/2018/09/heat-powered-computers-handheld-disease-sensors-smart-food-labels-among-breakthroughs-powered-by-the-forum-s-young-scientists-of-2018