Hank Green is an American entrepreneur, vlogger, musician, and author. He is best known for his educational YouTube channels, including Crash Course, and for co-founding VidCon, a conference for online video creators. He is also a New York Times bestselling author, with his novels "An Absolutely Remarkable Thing" and "A Beautifully Foolish Endeavor."

Hank Green is an American entrepreneur, vlogger, musician, and author. He is best known for his educational YouTube channels, including Crash Course, and for co-founding VidCon, a conference for online video creators. He is also a New York Times bestselling author, with his novels "An Absolutely Remarkable Thing" and "A Beautifully Foolish Endeavor."