It's not enough to be at the forefront. In an era when everything has supposedly been done, these adventure icons ignore convention, court risk, and let their passion lead the way.
They fly into lands of hunger and madness, dispensing food while warlords dispense terror from the barrel of a gun. They trade safety and comfort for the sharp edge of altruism, predictable careers for the daily bread of death and disease. They're relief workers on the front lines—and once they're hooked, they can never go home again.