CGP Grey
CGP Grey is an educator who uses his YouTube channel, Podcasts, and Web site to publish educational content. The channel makes videos to explain in simple terms complex aspects of science, politics, history, technology, culture, and other similar topics. The content creator likes his privacy and doesn't promote himself in his videos, though photographs of him exist.
Personal
A friend at a Skeptics in the Pub event suggested CGP Grey videos to me some time in the 2010s, and I started watching his videos and very quickly became hooked.