Chemistry was the science of matter. Ian Chesterton taught chemistry at Coal Hill School, although his lessons were too simple for his student Susan Foreman. (TV: An Unearthly Child) Ace liked chemistry, especially the creation of explosives. (TV: Dragonfire) Vicki Pallister studied chemistry at the age of ten for an hour a week using a machine. (TV: The Web Planet) Cedric Mathews used his skill at chemistry to create a formula which enhanced aggression. (COMIC: The Arkwood Experiments) Winifred Gillyflower was a prize-winning chemist. (TV: The Crimson Horror) The Rani mastered this science. (TV: The Mark of the Rani)