Forbes.com readers, Forbes editors and a panel of experts ranked the candle as the 14th most important tool of all time, in terms of its impact on human civilization...more important than the Scale, the Pot, the Telescope, the Level, the Fish Hook, and the Chisel...but not as important as #13, the needle. They'll be announcing the rest of the Top 20 Most Important Tools of All Time throughout the rest of the month.