359. Copy link Keynote Andy van Dam (ACMHT 2019) - YouTube www.youtube.com/watch?v=g0yx-F1FGnc hypertext,talk
209. Copy link [Scheme'22] Programming is (should be) fun! - YouTube www.youtube.com/watch?v=2MYzvQ1v8Wwf Gerald Sussman https://news.ycombinator.com/item?id=40663704 programming,talk