Ben Krasnow is easily one. The amount that guys knows about everything (electrical engineering, mechanical engineering, material science, chemistry and some pro

Ben Krasnow is easily one. The amount that guys knows about everything (electrical engineering, mechanical engineering, material science, chemistry and some programming) is staggering. His Youtube channel is great. https://www.youtube.com/user/bkraz333 https://www.youtube.com/user/bkraz333 http://benkrasnow.blogspot.com/ http://benkrasnow.blogspot.com/