To Understand Pope Leo’s Efforts on A.I., Look at the Man Shaking His Hand

The co-founder of a prominent A.I. company was nearby as the pope implored A.I. leaders to slow down and consider the technology’s possible perils.Pope Leo XIV shook the hand of Christopher Olah, a co-founder of the A.I. company Anthropic, at the presentation of the encyclical titled “Magnifica Humanitas,” or “Magnificent Humanity,” on Monday at the Vatican.