A super mathematical genius that kicks ass at solving problems and seeing the world like nobody else. Oh, and the guy engineers are pissed off at, because they can't do shit.
Engineer 1 : Hey Mark, that guy is a physicist!
Engineer 2 : Yeah, he does my work, because I can't do shit.
one who studies the natural sciences, and often does research hopefully improving our understanding of how things work. Physicist have made possible the production and use of automobiles and computers, to name but a few.
Physicist: I'm going to bed. I've been trying to prove that string theory is a valid contender for the Theory of Everything, but the quantum mechanics are tangling everything up.