Mankind has been concerned with the element of air for many centuries so far. If you want to follow the ideas and illumination, move on the time scale from top to bottom.

      Democritus >>> Aristotle >>> Middle Ages >>> Galileo Galilei >>> Blaise Pascal >>> Otto von Guericke >>> Evangelista Torricelli/Vincenzo Viviani >>> Robert Boyle >>> Heinrich Geißler >>> Robert Wilhelm Bunsen >>> 20th Century >>>