I'm guessing that either a Google search with "computer programming"-type keywords return's PG's page, or that it is via a real-life relationship...
How does the article correspond to what you see at school?
So, probably a significant proportion of new programmers were "made" by Raymond.
(I personally learned about PG in 6th grade, after seeing a link from the Steve Yegge's blog [the one for his game; not the later one that made him famous].)
(The essay was What You'll Wish You'd Known, so it's no wonder I got hooked.)