What is the title of the movie which details are:
4 academics/professors walk a beach, possibly scandinavian, while discussing philosophical concepts.. Possibly a european production made approximately late 1980's/early 1990's..

>email address removed per site rules<

Mindwalk (1990)
IMDb synopsis:
A U.S. politician visits his poet friend in Mont. St. Michael, France. While walking through the medieval island discussing their philosophies of life, they happen upon Sonja, a scientist in recluse, who joins in their conversation. The two men listen to the ideas of this brilliant woman and discuss how her ideas can work in their own politician and poet lives.

Mindwalk (1990) - IMDb

Here's Part 1 on YouTube:
Mindwalk (1) - YouTube

I might have missed, but this is what came to mind the moment I read your question.