John C. Campbell (1867--1919) is widely considered to be a pioneer in the objective study of the complex world of Appalachian mountaineers. Thanks to a grant from the Russell Sage Foundation, Campbell traveled throughout the region with his wife -- noted social reformer and "songcatcher" Olive Dame Campbell -- interviewing and profiling its people. His landmark work, The Southern Highlander and His Homeland, is cited by nearly every scholar...