Jack Campin (I presume.)
Feyerabend had more time for Popper than I ever did, but then he knew him personally and I didn't.

Love it. These are old arguments. I'm still not sure why you claim that falsifiability is "is rapidly headed for oblivion".

Also a bit confused by your reference to [Popper's] earlier positivist doctrines. Popper was an opponent of positivism.