Takie nazewnictwo proponuje TEPIS w swoim Polterm Glossary No. 5.

Oczywiscie jest to terminologia troche "nieludzka", ale mozna znalezc przypadki "full professors" bez Ph.D.:

In fact, this professor of telecommunications at the University of Pennsylvania, this networking guru and globe-trotting gadget-lover is one of the most influential nerds in the United States. . "Probably the thing that made me make the decision, beside Penn being a great school, was that I couldn't resist the thought of a non-Ph.D. being a full professor at an Ivy League School. It was just too much," Farber says. The university says it's rare in his field, though he isn't its only full-time faculty member without a Ph.D.
www.cis.upenn.edu/~farber/philly.htm


Two-year college faculty tends to earn somewhat less and sometimes tenure can be obtained without a Ph.D.
www.imdiversity.com/villages/woman/Article_Detail.asp?Artic...


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Note added at 2002-01-17 16:03:42 (GMT)
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When I said \"terminologia nieludzka,\" I obviously meant it would not be easily understandable to a foreigner. Yet, our sworn translation practice is full of terms we render as close as possible to the original precisely in order to avoid this type of bickering. I do not believe that anyone\'s first rendering of \"assistant professor\" in Polish would be \"profesor doktor habilitowany.\" Simply because the guy in Poland has to write and defend his \"habilitacja\" and the guy in the US does not. (As a matter of fact, as demonstrated by me above, in extreme cases, the guy in the US does not even need to hold a Ph.D. to be an assistant professor!) In my practice, for instance, I see all the time titles from France like \"avocat\" left unchanged in English, precisely to avoid splitting hairs over whether he should be a \"barrister\" or \"attorney-at-law.\" Etc. etc. As always, it is the context that dictates the right choice. If our prof.dr hab. is writing a cv, I would strongly discourage him from using the translation I proposed as his prospective employer may not have more than 2 minutes to evaluate his credentials and this whole discussion has already taken more than that. If, on the other hand, he is describing his qualifications for some official purposes, he had better be precise. For instance in the US, there is simply no such degree as \"doktor habilitowany.\" Yet, someone from there can become a \"profesor\" in Poland according to the following:
\"Szczegolna kategoria kandydatow do tytulu [profesora] sa osoby bez habilitacji. Uwzglednia sie 2 rodzaje przypadkow: gdy dorobek kandydata ma wplyw [na stan] wiedzy w uprawianej dyscyplinie oraz gdy kandydat pracuje za granica, w kraju, w ktorym nie ma stopnia doktora habilitowanego.\"
www.pwr.wroc.pl/POLITECHNIKA/pryzmat/Pryzmat_46/46hawryl.HT...
The latter guy, in Poland, will have in front of his name \"prof.\" or \"prof. dr.\" Please, let us give credit to the guy from this question and make a distinction between \"prof. dr\" ((assistant) professor, Ph.D.) and \"prof. dr hab.\" -- whatever rendering you choose!

'habilitowany' means that someone with an academic rank qualifies as an assistant professor.
'Doktor habilitowany' would translate as assistant professor