450AD-1700AD

The Alchemists (1000-1650) The Alchemists tried to find a way to turn certain metals into gold. They also searched for a solution to prolong life. They found a way to treat certain diseases with plant solutions and metallic compounds. Sir Robert Boyle 1637-1691 Sir Robert Boyle is the founder of the fundamental gas laws. He discovered that small particles join together to form molecules. He also defined the difference between Compounds and mixtures.