Are herpetologists the macho outlaws of the science world? The herpetologist Jamie James–who at least shares a last name with a famous outlaw–has a new book out called The Snake Charmer: A Life And Death In Pursuit Of Knowledge. The A.V. Club’s on the top of the review.
The following histogram is from a polling study. n=1

I’d have to say I doubt that Geneticists are all that badass. Most of us just sit in the lab pipetting or typing at a computer.
Field Ecologists should be on there too. Crazy bastards.