Ole was right. There are as many answers as there are photographers! It is interesting to see what different photographers have settled on (for the time being
It reinforces the thought that you need to master your materials (whatever they are), and are able to consistently produce the pre-visualized image.
Tri-x in Wd2d+ for 35mm and 120.
Tri-x in Pyrocat MC for 8x10. I just tried it and I'm amazed by this !
Tri-x in Rodinal for 8x10 (before pyrocat experience...)
This is for now.
G.