Whether it’s through MinutePhysics or MinuteEarth, Henry Reich is trying to get people excited about learning. Using YouTube to teach millions of people around the world about science or our awesome planet, Henry has amassed nearly 6M subscribers between those two main channels, posting hand-drawn animations that break down the science and history behind topics ranging from the size of bird penises to the accelerating expansion of the universe. Keeping the Einstein quote, “If you can't explain it simply, you don't understand it well enough,” in mind, Henry is able to reach an even larger audience by posting videos in Spanish, adding another 300K subscribers through his channels MinutoDeLaTierra and MinutoDeFisica.