William Henry Green II is an American YouTuber, science communicator, novelist, stand-up comedian, and entrepreneur. He produces the YouTube channel Vlogbrothers with his older brother, author John Green, and hosts the educational YouTube channels Crash Course and SciShow. He has advocated for and organized social activism, created and hosted a number of other YouTube channels and podcasts, released music albums, and amassed a large following on TikTok.
With his brother John, Hank co-created VidCon, the world's largest conference about online videos, and the Project for Awesome, an annual online charity event, as well as the now-defunct conferences NerdCon: Stories, focused on storytelling, and PodCon, focused on podcasts. He is the co-creator of The Lizzie Bennet Diaries, an adaptation of Pride and Prejudice in the style of video blogs that was the first web series to win an Emmy. He is also the co-founder of merchandise company DFTBA Records, crowdfunding platform Subbable, game company DFTBA Games, and online video production company Pemberley Digital, which produces video blog adaptations of classic novels in the public domain.
From Wikipedia (https://en.wikipedia.org/wiki/Hank_Green) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)