The Mesolithic period or Middle Stone Age was a period in the development of human technology in between the Paleolithic or Old Stone Age and the Neolithic or New Stone Age. The word "Mesolithic" is derived from the Greek words mesos, meaning "middle", and lithos, meaning "stone". The term "Mesolithic" was introduced by John Lubbock in his work Pre-historic Times, published in 1865. The term was, however, not much used until V. Gordon Childe popularized it in his book The Dawn of Europe (1947).… (More on Mesolithic)