Ward Cunningham. Linus Torvalds. Kent Beck. Pavel Curtis. The list goes on and on. Plenty of programmers over 40 out there. I know there are a lot reading/comm

Ward Cunningham. Linus Torvalds. Kent Beck. Pavel Curtis. The list goes on and on. Plenty of programmers over 40 out there. I know there are a lot reading/commenting on Hacker News too (and I'm one of them). What we really lack are concrete numbers. The article is nine years old, citing data from nearly twenty years ago.