Complex sentence: Francis Sydney Smythe, also known as Frank Smythe (6 July 1900 at Maidstone, Kent-27 June 1949 Hillingdon, Middlesex), was a British mountaineer, author, photographer and botanist in the early years of high altitude mountaineering.
Split into simpler sentences: Francis Sydney Smythe, also known as Frank Smythe (1900-1949), born in Maidstone, Kent, England, UK. Was a British mountaineer, author, photographer and botanist in the early years of high altitude mountaineering.