Just in case you thought it was fairly new, it’s probably(*) older than you. Here’s a deep link, to a down-the-rabbit-hole discussion. Seems most sources attribute a 1968 conference, while the author of this message from the Software Craftsmanship group has dug up an ACM article from 1966.

* …and probably significantly older than you since the average age of the entire world population is definitely less than Software Engineering’s 47 years (and counting.)

ɕ