Sulfur, together with mercury and salt, made up the Three Primes or Tria Prima of alchemy. The three primes could be thought of as points of a triangle. Sulfur represented evaporation and dissolution.
Sulfur has been known since ancient times. In the Bible it is called brimstone. It can be found in its elemental state around volcano vents.
In the year 808 a Chinese text provides us with possibly the first recipe for gunpowder, containing saltpeter, sulfur and carbon.
Sulpher is regarded as an essential element for life and is found in several amino acids. It was thought that sulfur represented the variety of human nature and the eternal aspiration to reach enlightenment.