Algol 60

since unknown year (earliest usage recorded on this site was 1967)

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holdenweb

mnulli

jancona

holdenweb - 58 years

mnulli - 8 years

jancona - 1 years

holdenweb

1967–

First programming language

mnulli

1970–1977

Some explanation is in order. I was introduced to Algol 60 at U.C. Berkeley, where an integer subset was the subject of our compiler-writing course. We wrote the "front end" (In SNOBOL IV) to compile that subset to "AOC" (what we might now call a "virtual machine"), then produced CDC 6400 object code from AOC "however we could", which in my case was near-profane (ab)use of the Macro assembler. The 1977 date was when a friend and I re-implemented AOC for the 6502, but then drifted off to use much of the infrastructure for FORTH, whose VM is a lot simpler.

jancona

1976

I took an undergraduate programming course at Dartmouth that was taught using Algol instead of the ubiquitous DTSS BASIC, because the professor wanted us to use structured programming techniques and BASIC didn't get beyond IF GOTO until sometime in the 80's.