This question is about Paul Benacerraf, who worked on the philosophy of mathematics, and wrote the 1965 essay What numbers could not be (see: Benacerraf's identification problem). He was at Princeton in the 1960s up to the end of the '00s, and presumably appears in at least one of the following two photos from 1968 and 1979 respectively.

Princeton Philosophy department 1968 Source

Princeton Philosophy department 1979 Source

My question is, can we identify Benacceraf in either of these photos? My purpose is to use a picture of him roughly contemporaneous with the essay in a seminar for undergraduate students.


1 Answer 1


The site has legends that identify him: 4th of back row in 1968, 3rd of front row in 1979.

  • $\begingroup$ Oh, excellent! I didn't find that... $\endgroup$ Commented Jul 17, 2018 at 21:55
  • $\begingroup$ All departments should have photos like that on their web sites! $\endgroup$ Commented Jul 18, 2018 at 15:24

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