Niede Guidon, 92, Archaeologist Who Preserved Prehistoric Rock Art, Dies
Niede Guidon, a Brazilian archaeologist whose work called into question a longstanding theory of how the Americas were first populated by humans, and who almost single-handedly transformed a hardscrabble region of northeast Brazil into the Serra da Capivara National Park, died on Wednesday at her home near the park, in São Raimundo Nonato. She was…