In the 1997 movie 鈥淕ood Will Hunting,鈥 a genius janitor taught himself advanced mathematics from equations left on a professor鈥檚 chalkboard. Two decades later, Josh Carroll similarly pored over equations on YouTube鈥攖oday's chalkboard鈥攄uring shifts as a security guard.聽 聽
In Carroll鈥檚 case, the experience was transformative: making him in his own right. Highlights follow from Carroll鈥檚 journey from self-taught math scholar to 无忧传媒 physicist and lead engineer.