One of my friends had a pretty good relationship with their undergraduate professor; however, the professor decided to retire and no longer teaches at that university. In a few months, my friend is deciding to apply to graduate school, and he is wondering if it would still be appropriate to ask his retired professor to write him a letter of recommendation?

3 Answers 3


If the faculty is retiring to emeritus status then they can still write on letterhead. Many emeritus still maintain an active research profile or use the time to write, but in any case they might be willing to write for you. Many enjoy keeping one foot in the teaching/advising world.

There's nothing to be lost by asking.

And from the perspective of people on admissions committees, a strong letter from an emeritus faculty who compares this student against their thirty or forty years of other students can be very persuasive.


I'm a retired math/cs professor and love getting reference requests from former students. I'll always tell the asker what kind of letter I would be able to write (depending on how good the student was and how much I remember). Then s/he can decide whether to include me.

I've no problem writing on university letterhead.

  • For what it's worth, I wrote a couple (maybe three) letters in the first few years after leaving academics in 2005, and I had no problem with it --- I was honored to do so, in fact. Of course, it helped that for these particular students it was easy to write reasonably strong letters. Commented Jun 26, 2017 at 20:04

Yes, I think asking them is ok, with a few caveats.

I think it's ok provided the professor has only recently retired (within the last year, say). Any longer ago than that leaves a chance that the professor has forgotten who your friend is and means that the quality of the letter may be diminished.

Another thing to consider is if the professor is still affiliated with a university or institution. When I was applying for PhDs, some universities required the reference letter to be submitted on official letter-headed university paper (or the electronic equivalent). This may not be possible if the professor is no longer affiliated with any institution.

As to whether or not it's actually appropriate to ask, your friend should consider how much the professor is enjoying their retirement and whether they would welcome a request for a reference and all the associated admin or not. This is something only your friend can judge, based on his previous relationship with the professor.

  • 7
    I don't see how recently the professor has retired has anything to do with their likeliness to forget, at least when separated from the context of how long ago the professor has taught the student. (That is, a professor who taught someone 5 years ago and retired last year isn't necessarily any more or less likely to remember them than a professor who taught someone 5 years ago and retired 4 years ago.)
    – R.M.
    Commented Jun 26, 2017 at 12:29
  • @R.M. true, but in either case asking for a reference letter from someone who last taught you five years ago is probably not the best choice (unless you have no more recent options). Commented Jun 26, 2017 at 14:12

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