Scientific Revolution Games Fun review of the Scientific Revolution Tools A B Kepler He used mathematics to prove Copernicus' heliocentric theory Brahe His data was used by Kepler to prove a heliocentric theory Newton He developed the law of universal gravitation Janssen He invented a microscope Priestley Englishman who isolated oxygen Jenner He developed a smallpox vaccine using cowpox Torricelli He invented the mercury barometer Harvey He suggested that the heart was a pump that circulated blood Boyle He is considered the founder of modern chemistry van Leeuwenhoek Using a microscope he observed red blood cells Vesalius He dissected human corpses Celsius His temperature scale set freezing at zero Lavoisier Frenchman who named his isolated gas, oxygen Descartes He supported deductive reasoning and the use of logic and mathematics Bacon He supported inductive reasoning and the use of experimentation Fahrenheit His temperature scale set freezing at 32 degrees Copernicus His heliocentric theory has the planets orbiting the sun in perfect circles