I know I'm going to be roundly laughed out here, but a lot of the languages we see around us are the result of people trying to come up something better in terms of their perception to new tools available.
This is an old language, and one for the most part a forgotten one, ( especially after reading the comments about smalltalk ) but its still a 'secret sauce' used by some surprising majors in their early conceptual labs. ( maybe because it's in Reverse Polish notation, trying to disassemble by industrial spies it produces nonsense.) I liked it for producing ultra quick algorithm design and proof of concepts, but the ever growing provision of 'playgrounds' are replacing that need.
Yes I gave it away then. The language is Forth. If you're done with mind-stretching, finishing off the smorgasbord with a dip into it is seriously mind-calming. Originally designed for embedded astronomy electronics, it gives a swift path into meta-programming without even realising. Everything else is there.
There is a saying: " If you seen one Forth, you've seen . . . one Forth!" that's because its extensible in so many ways, that a lot of the newer languages discussed are doing what all these scattered Forths did anyway.
As a side note in closing, we often like to romanticise Ada Lovelace as a hero, being the first programmer as C Babbage only designed the system. We have an equivalent hero alive today in Elizabeth Rather, she was the first to actually implement Forth in code as it's founder Chuck Moore was more the devisor while they worked together in developing it. And she's still at the helm. Another parallel can be found in Delia Derbridge, the actual technician/musician who assembled the Doctor Who theme after Ron Grainger left the specification on her desk before going on holiday.
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