Arrogance pops up everywhere, but I nominate geophysics for the group with the least. At the top of their website, it still says "AGU is a worldwide scientific community that advances, through unselfish cooperation in research, the understanding of Earth and space for the benefit of humanity."

Do you know who devised the theory of plate tectonics? Didn't think so

There's a few self-promoters in the discipline, but it's a rare trait.