Alfred Gregory FBIPP, FRPS (Hon) (12 February 1913 – 9 February 2010) was a British mountaineer, explorer and professional photographer. A member of the 1953 British Mount Everest Expedition that made the first ascent of Mount Everest, he was in charge of stills photography and, as a climbing member of the team, reached 28,000 feet (8,500 metres) in support of the successful Hillary-Tenzing assault on the summit.