Question: What group of people, mostly settled in Sao Paulo, is William Hutchinson Norris a significant figure of?
Sentence (from "Seaborn Networks"): The system will also have branching units installed on certain of its fiber pairs that point towards Ashburn (US), Miami (US), St. Croix (US), Fortaleza (Brazil), Cape Town (South Africa), Rio de Janeiro (Brazil), and Las Toninas (Argentina).
Relevant evidence: No