Yes, I wasn't really disagreeing, but it irks me a bit how a lot of people talk about languages (usually Lisp) as if it were the exact same language that was created 60 years ago that's in use today despite that they have evolved significantly over time and yet the Algol-derived languages are treated completely independently as entirely new entities altogether. Someone mentioned this on HN a day or two ago too.

It would be wrong to say that Lisp/COBOL/Fortran are divorced from their first-generation ancestry. I think a lot of people talk about Lisp as if its still the same language because on the surface it looks like that way: the syntax is mostly still intact and the core values (conses, lists, homoiconicity, macros) are all still these, yet Scheme is still a different beast from Common Lisp, Clojure, Emacs Lisp and what Zeta Lisp was. Algol-derived languages, since they have much more complex syntax than s-expressions, have much more varied syntax and therefore look like very different languages, though they still have a lot of semantics in common with algol.

So I think what I'm saying is (at Least for Lisp and Algol - I don't know enough about COBOL and Fortran to know how different they now are from 50 years ago) in neither of these cases are the languages in use today the same languages that were in use 50 years ago, but that both families of languages have descendants in common use today which can be clearly traced to their first-generation ancestry.