OC: Alan Becker. https://www.youtube.com/watch?v=ErMSHiQRnc8
Videos mentioned:
3b1b: https://www.youtube.com/watch?v=jsYwFizhncE
Hyperbolic Space: https://www.youtube.com/watch?v=zQo_S3yNa2w
Playlist: https://youtube.com/playlist?list=PLqia7Ktaw0NUDuynxlIb51hf0Di9oLABc