Andrew Lock

About

Andrew James Lock OAM is an Australian high-altitude mountaineer. He became the first, and still remains the only, Australian to climb all 14 "eight-thousanders" on 2 October 2009, and is the 18th person to ever complete this feat. He climbed 13 of the 14 without using bottled oxygen, only using it on Mount Everest, which he has summited three times. He retired from eight-thousander climbing in 2012.