Yes. But both failed to deliver the autocompletion the spoiled kids expect these days. And Lisp is far less dynamic than Smalltalk and the modern lesser toys l

Yes. But both failed to deliver the autocompletion the spoiled kids expect these days. And Lisp is far less dynamic than Smalltalk and the modern lesser toys like Python. See in ACL2 how a fully static typing can be added on top without a significant change in semantics.