Rare IBM Schools Computer 1969 (opens in new tab)

I have Marlborough on my list. That’s also where Simon Peyton Jones was using it, though probably a few years earlier than you. Marlborough’s archives have been shut for refurbishment so I’ve been unable to tell much of the story from the school. The SMP helped design it, Bryan Thwaites (still alive at 102) was involved with the specification, but it’s use in maths and not as a data processing device was seen as a weakness. The machines were distributed across the country in 1970 following IB...