He developed the Heliocentric theory - even though very few people believed him

French philosopher and mathematician, leader of Scientific Revolution. Felt that no assumptions should be accepted without question. All assumptions had to be proven on the basis of known facts

English philosopher and scientist, one of the earliest to favor a system of scientific experimentation rather than faithful acceptance of religious ideas. His nickname was " Dr. Mirabilis "

I designed the telescope and used it to help prove the Heliocentric theory . I also used experiments and math that all objects fall at the same rate no matter the weight.

What tools did scientist start to use to use to conduct experiments ?

The study of on changes and properties of matter and energy is

English scientist discovered the law of gravity, and 3 laws of motion, and the mathematical means to measure motion.

German astronomer, and mathematician, developed 3 laws of planetary motion. Also one of 2 scientist that helped prove the original discovery of the Heliocentric theory.

English philosopher and scientist believed that scientific theories could only be developed through observation. Assumptions had to be proven by repeated experiments

Flemish scientist pioneered the study of anatomy in his book " On the Fabric of the Human Body"

English - Irish scientist pioneer of the modern science of Chemistry