Physicists v. Mathematicians

I'm reading this great book the Uncertainty Principle. Physicists and mathematicians have had a rivalry, going as far back as Einsten. Mathematicians say that physicists don't and can't do the hard equations, while phycisists think that mathematicians deal strictly with meaningless theory and don't contribute. There was actually a nerd rumble back when Bohr first proposed his theory of the atom. There were protractors and compasses everywhere. It was awful.