Dalton:
John Dalton was a British school teacher in 1808.
Dalton's discovery:
- John Dalton discovered the atomic theory of matter.
- According to Dalton's atomic theory, the atom is the ultimate particle of matter.
- This theory explained the law of constant composition, conservation of mass, and the law of multiple proportions.
- The theory does not explain how glass or ebonite becomes electrically charged when rubbed with silk or fur.