This is Alyssa Rosenzweig. She reverse-engineered Apple's M1 GPU with no public documentation and also developed an open-source Linux driver.
(programming.dev)
It always fascinates me how people can achieve such things, and acquire knowledge to do so in the first place. Meanwhile, last night I spent 1h troubleshooting jellyfin because my kid clicked a few things in a menu by mistake when I was away.