NEW YORK – Author-vloggers Hank and John Green often end their popular “Crash Course” videos with a donation appeal to keep the YouTube show “free for everyone forever.” The multihyphenate brothers ...
Hank Green has worn a lot of hats. He’s one half of Vlogbrothers, with his brother, John. He’s written some novels. He’s hosted Crash Course and SciShow, and started VidCon. The list honestly goes on ...
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