The 76-Year-Old Who Invented Extreme Sport

Video has surfaced of a 76-year-old named Harry "Pop" Kramer performing some amazing tricks on various vintage bikes and unicycles. The footage is from 1951 according to one commenter on YouTube. We're not sure if we're more impressed by his bike tricks or his beard.

https://www.youtube.com/watch?v=4NPPuPQ59-Y

H/T David O'Doherty