Here we talk to John about his new project, Plan 28, which aims to build Babbage's Analytical Engine from the original plans.

John is also well known for successfully petitioning the Government to grant a formal apology for Alan Turing, and is the author of the Geek Atlas.

Come back on Thursday for the full audio episode.

jgc.org/

en.wikipedia.org/wiki/John_Graham-Cumming

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