Crash Course is a popular educational YouTube channel that offers engaging and informative video courses on a wide range of subjects, from science and history to economics and philosophy. It was started by Hank and John Green, who are also recognized for their VlogBrothers channel.
Crash Course's logo font is Mensch Inline, a condensed uppercase-only typeface with four styles available, designed by Morgan Knutson. It's distributed on a Pay-What-You-Want basis, and more details are available here.