I think you are seeing a dichotomy where there is none. Simon Peyton Jones is advocating a process for how to go about doing research and communicating your ideas. Bret Victor is advocating a method for better communicating ideas. One could easy do both.
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Meh, compare that to Bret Victor's version which is way better IMO
http://worrydream.com/#!/ScientificCommunicationAsSequential...
I think you are seeing a dichotomy where there is none. Simon Peyton Jones is advocating a process for how to go about doing research and communicating your ideas. Bret Victor is advocating a method for better communicating ideas. One could easy do both.