This 1988 paper reports on Smalltalk-80 for exploratory programming and fast prototyping at Tektronix.
Standard software engineering uses programming to implement a given specification. In contrast, exploratory programming is writing the specification.
https://dl.acm.org/doi/abs/10.1145/51607.51614
Some of the parallels the paper draws to Interlisp-D are not entirely accurate.
https://groups.google.com/g/lispcore/c/G9ozbhT2OnQ/m/-XF_Ufm6CAAJ
