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A blog post arguing that Principia Mathematica anticipated modern programming language concepts such as lambda calculus, types, and referential transparency.
Eiichi Goto's 1954 invention of the parametron, a logic element using ferrite cores and parametric oscillation, led to Japan's first university-built stored-program computer PC-1 in 1958. The IEEE has dedicated a milestone plaque to this achievement in Tokyo.
A detailed introduction to running the historic PDP-1 Lisp implementation from 1960, including startup procedures and its significance as the first interactive programming environment.