The use of logic making empirical observations and preforming dissections were all part of the scientific studies by

The answer is: Aristotle.

Aristotle (384–322 BC) was an ancient Greek philosopher.

He was interested in empirical studies and shifted from Platonism to empiricism.

Empiricism is a theory that states that knowledge comes from sensory experience and through experiments.

Empirical evidence is the information received by observation through experimentation.

a polar bond is formed when electrons are shared unevenly between atoms

it is reliable if two scientists recorded it