In a letter to Rosalind Arden dated August, 1998, Jensen writes (among other things).
I found my audience of mostly physicists at the NBI [Niels Bohr Institute, Denmark] to be very receptive, interesting, and quick to grasp what I was talking about. I have always found physicists to be the ideal audience – far better than most psychologists at understanding the real problems of psychology. They asked very insightful questions. They’re also very good at translating verbal statements into mathematical ones – something I’m in the habit of doing in reverse when speaking to lay audiences and to typical non-quantitative psychologists.
Compare with the recent comments by Dominic Cummings and Stephen Hsu on physicists.