I’ve been reading about “expert systems” of late for a particular gig I’m pitching for ... most the literature is 1980-1985 and what I realised was is that expe

I’ve been reading about “expert systems” of late for a particular gig I’m pitching for ... most the literature is 1980-1985 and what I realised was is that expert systems were all the rage back then. The IBMs of this world sold them and you clearly didn’t know what’s best for you if you weren’t buying them. Is there anyone sufficiently old to remember AI in the 80s reading this? What was the job title du jour back then ?