Tyler DeWitt is a science educator who makes chemistry teaching videos on YouTube and gave a TED talk linked in the edCircuit article. A 2017 WOSU page for the NPR TED Radio Hour says DeWitt earned a Ph.D. at MIT in 2014 and has taught in high schools in the United States and South Korea. In 2016, edCircuit named DeWitt among three popular YouTube educators in a SXSW Edu session on flipping the classroom with video.