How did Roberto Calvi earn his nickname, "God's Banker"?
Due to his close association with the Holy See
Because he worked at the Vatican Bank
Because he donated a lot to the church
Because he was very religious
Answer
Roberto Calvi was dubbed "God's Banker" by the press due to his close association with the Holy See, not because he worked at the Vatican Bank or was particularly religious.
Unraveling the Mystery: The Intriguing Life of Roberto Calvi