1. The Atomic Atom By: Hillary Pate

2. Democritus of Abdera & Aristotle Democritus was born at Abdera, about 460 BCE. Democritus was born at Abdera, about 460 BCE. Democritus could explain all changes in the world as changes in motion of the atoms, or changes in the way that they were packed together. This was a remarkable theory which attempted to explain the whole of physics based on a small number of ideas and also brought mathematics into a fundamental physical role since the whole of the structure proposed by Democritus was quantitative and subject to mathematical laws. Aristotle was born in 384 BCE. at Stagirus, a Greek colony Aristotle was born in 384 BCE. at Stagirus, a Greek colony

3. John Dalton He lived in Cumberland, England from 1766 to 1844. He lived in Cumberland, England from 1766 to 1844. He was a chemist, and he studied gases. He was a chemist, and he studied gases. Dalton's law says that pressure of nonreactive gaseous mixture is equal to a sum of pressures of each, separate element of the mixture having the same volume as the mixture has. Dalton's law says that pressure of nonreactive gaseous mixture is equal to a sum of pressures of each, separate element of the mixture having the same volume as the mixture has.

4. Antoine Lavoisier Antoine-Laurent Lavoisier was born August 26, 1743, the son of a wealthy Paris family. Antoine-Laurent Lavoisier was born August 26, 1743, the son of a wealthy Paris family.