National Geographic : 2013 Sep
128 J. b. Noel, Royal GeoGRaPhic society, with ibG (toP); R. w. wood, NatioNal GeoGRaPhic cReative GeorGe MallorY No one had reached the summit of Everest when Mallory (standing second from left) joined a 1924 team. They posed at base camp days before Mallory vanished during his attempt. otto lilienthal A 19th-century German engineer who inspired the Wright brothers, Lilienthal pioneered glider flight. In 1896 a photographer captured him aloft days before he died after a flight accident.