My husband was 14 when he did the first install of APL OS for an IBM customer.  He had learned APL from his friend, the son of an IBM Research scientist when he was 12, and on the strength of this, got a summer job with the APL group.  <div class="gmail_quote"> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> > The idea of hitting a pre-teen with Erlang and J, whereas most adults > I know are still stuck on Access and Excel, is just a wee bit > ludicrous, even for the child prodigy cult people (lots of > Smalltalkers in that camp).  Let's get a little more real, shall we? </blockquote></div> -- "Don't think for a minute that power concedes. We have to work like our future depends on it."  -- Barack Obama