Nicolaus Copernicus - Heliocentric theory ( the sun is the center of the earth)
William Gilbert - published books On the Magnet and Magnetic Bodies, The Great Magnet of the Earth
Theory of magnetism and electricty - provided a hyper-empirical study of magnetics
Tycho Brahe - accurate astronomical and planetary observation - discovered the Tycho Star or the Star of 1572 a dramatic supernova (explosion of a big star)
Johannes Kepler - assisted Tycho Brahe - Cosmographic Mystery
Sir Francis Bacon - Novum Organum - pivotal figure in establishing the scientific method
Galileo Galilei - telescope "spyglass" - discovered mountains on the Moon and four moons circling Jupiter
observes the phases of Venus - discovered the sunspots - noted that Saturn appeared to have handles - waning and waxing planet
Rene Descartes - helped establish the scientific method
Antoine Van Leeuwenhoek - constructed powerful single lens microscope - open up the micro world of biology
Isaac Newton - build up the work of Kepler and Galileo - law of gravity - theorized his axiomatic
Alexander Koyre - Scientific Revolution
John Locke - founder of empiricism and proposed in an Essay Concerning Human Understanding - argued that the human mind was created as a tabula rasa, a blank blanket
Robert Boyle - English chemist who created the Boyle's law
Hans Lippershey, Zacharias Janssen, Jacob Metius - spectacle makers
Evangelista Torricelli - mercury barometer - to improve on the suction pumps to raise out of the mines