What is the rich & diverse history of computers? Computers: A History #GreshamLecture Even the most humdrum of electrical devices nowadays contains at least one computer; yet surprisingly few people are aware of their history, their form or function. In this talk we will see that not only is the history of computers rich and diverse, their architecture likewise. Astonishingly, all the computers ever made can be modelled by one universal machine – the Turing machine. Gresham Professor of IT @Rich