Vi Hart calls herself "a recreational mathemusician currently living on Long Island." She talks faster than a machine gun, loves math, and draws like a dream. Her newest video: "Doodling in Math Class: Snakes + Graphs" is eye-popping.
Vi HartSource: YouTube
via npr.org
Wow this woman is amazing. Her videos are just incredible, if you can keep up. The surrounding article is also worth a read.