Albert Paddock Crary (1911–1987), was a pioneer polar geophysicist and glaciologist. He was the first person to have stepped foot on both the North and South Poles, having made it to the North Pole on May 3, 1952 (with Joseph O. Fletcher and William P. Benedict) and then to the South Pole on February 12, 1961 as the leader of a team of eight. The South Pole expedition set out from McMurdo Station on December 10, 1960, using three Snowcats with trailers.