Cerro Torre, Torre Egger and Aguja Standhardt.
The first ascent of Cerro Torre by Cesare Maestri and Toni Egger in 1959 is disputed after Egger was killed in an avalanche and Maestri was found in a state of exhaustion near the base of the mountain. It was not climbed again until a team led by Casimiro Ferrari reached the summit in 1974.