He was a member of Maurice Herzog's 1950 expedition to Annapurna, at which time he was 27, and he made the first ascent of Makalu with Lionel Terray on May 15 1955.
He was a member of Maurice Herzog's 1950 expedition to Annapurna. He was 27 at Annapurna. He made the first ascent of Makalu with Lionel Terray on May 15 1955.