The origins of today's cosmology began with the observation in the early 1500s by Nicolaus Copernicus that the Earth revolves around the Sun.
The next step was the discovery in the late 1600s by Isaac Newton that objects in space behaved according to the same laws of physics as objects on Earth..
Often lauded as the father of modern cosmology, Edwin Powell Hubble made several significant discoveries that changed how scientists viewed the universe.
Born in 1889, Hubble began his professional life as a lawyer, but returned to school after only a few years to obtain a doctorate in astronomy..
Anaximander, (born 610 bc, Miletus—died 546/545 bc), Greek philosopher, often called the founder of astronomy.
He apparently wrote treatises on geography, astronomy, and cosmology that survived for several centuries and made a map of the known world.
He was the first thinker to develop a cosmology..
