Mathematician Zvezdelina Stankova was born in Bulgaria and is now a teaching professor at UC Berkeley.

Zvezda's webpage - https://math.berkeley.edu/~stankova/

Zvezda videos on Numberphile -    • Zvezdelina Stankova on Numberphile  

The Legend of Question Six -    • The Legend of Question Six - Numberphile  

Berkeley Math Circle - https://mathcircle.berkeley.edu

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