VSauce tweeted a playlist of Conway's appearances on Numberphile, including that one: https://www.youtube.com/watch?v=E8kUJL04ELA&list=PLt5AfwLFPxWIL8XA1npoNAH

VSauce tweeted a playlist of Conway's appearances on Numberphile, including that one: https://www.youtube.com/watch?v=E8kUJL04ELA&list=PLt5AfwLFPxWIL8XA1npoNAHseS-j1y-7V https://www.youtube.com/watch?v=E8kUJL04ELA&list=PLt5AfwLFPx... I found the one you posted especially moving, but the others were good too.