Bart,
except for the
'be there' part I do not see a contradiction in what you responded to what I wrote.
You use the term 'pure photography' which is derived from their
manifesto, I prefer the term 'straight photography' which encompasses the 'pure photography' as mentioned in the manifesto but is not limited to the
group f/64.
I mentioned boudoir photography which is a prominent genre of pictorialist photography - the type of photography the group f/64 differentiated themself from in their manifesto.
I did not mention f/64 as diffraction limit - I do not think that they had this in mind when using the name and what large format? There are many negative sizes
The large DoF was important, but the technical term was not the focus.
Now
'be there' or
'f/8 and be there' - I think that it belongs to 'Weegee' Arthur Fellig though some might attribute it to Allen Hopkins.
'f/64 and be there' is in my eyes a retro-attribution. None of the permanent f/64 members had reportage as main focus to my knowledge.
Most sources cite Arthur Fellig as primary source.
As we cannot ask who was first, we can only look at the different sources and see what's most plausible to us and draw our conclusions which may differ...
Best regards,
Michael