This is Isaac Newton. Apparently when he was sitting under a tree an apple fell on his head and he suddenly new how everything worked. He made the three laws of motion describing how gravity works.
The sun revolves around us!
This is Galileo and he developed the theory of the sun being at the center of the universe (heliocentrism).
I'm on house arrest for the rest of my life
This is Francis Bacon he created the scientific method which is a systematic way to find proof using reason.
What are we learning today?
About scientists discoveries using the scientific method!
This is Ptolemy and he thought that the planets and the sun revolved around the Earth (geocentric)
Galileo tried to explain heliocentric to the church but they did not believe him and thought he was going against the church so they put him on house arrest for the rest of his life.
The things that they discovered back then are very important in our lives right now because they have helped modern day scientists discover and create new things to help us all and make our lives easier.