I'm similarly struck with how open the computer science frontier was in the 50s, 60s, and 70s. Every effort required some first principles rationalizing to jus

I'm similarly struck with how open the computer science frontier was in the 50s, 60s, and 70s. Every effort required some first principles rationalizing to justify the R&D. Alan, and others from Xerox PARC, have a very "meta" outlook on the entire field.