Agreed. I remember first reading an overview of Lisp [1], and my reaction was, "Ah, okay, just like they do in Mathematica ... ah, right, just like how Mathematica does that. Huh -- he must have done it in Lisp then."

After that, I didn't even suspect it didn't use Lisp until today.

[1] I think in Hofstadter's Metamagical Themas