Frank Sydney Smythe was a British mountaineer, botanist and adventurer. Smythe, who began his mountaineering career in the Alps, joined the international Kangchenjunga expedition of 1930 which ended in failure. In 1936, he led the expedition which successfully ascended Mount Kamet, then the highest peak ever to have been climbed. Subsequently, in the 1930s, Smythe was thrice part of teams which attempted to climb Mount Everest. An accomplished photographer and a prolific writer, Smythe wrote twenty-seven books in all, the best known among which are The Kangchenjunga Adventure, Kamet Conquered and Adventures of a Mountaineer.
Smythe died in 1949.