Wig-picker

Science fiction may be bad science and worse fiction, but to a good wig-picker it "is a sensitive barometer of our changing mental climate.

Source: wiktionary

And I've been up, right with you," snapped the little flight surgeon, "playing wig picker to a flock of kids with nerve sickness.

Source: wiktionary

I decided that a man full of self-pity was a bloody menace to himself and everyone else, so I went to see that wig-picker Esposito.

Source: wiktionary