Johannes Kepler
Johannes Kepler was born in 1571, in Weil der Stadit in Swaia, Southwest Germany. From 1574 untill 1576 he lived with his grandparents and then moved to Leonbery with his parents to attend a Latin school. In 1584, he went to the Protestant Seminary at Adelbary and in 1589, he began his university education at the Protestant University of Tubingen. At the Protestant University, he studied theology. He passed the MA examination in1591 and went on to continue his studies as a graduate student. In 1594, he became professor of mathematics at the Protestant Seminary in Graz. He was also appointed the district mathematician and Calendar Marker.
Johannes Kepler taught arithmetic, geometry, Virgil, and rhetoric for six years. He also studied astronmomy and astrology in privite. In 1597 he published his first important book The Cosmographic Mystery. In his book, he argued that the distances of the planets from the sun in the Copernican system were determinded by the five regular solids. His arguments turned out to be accurate with the exception of the planet mercury. After that, he published many more important books, some of them being Astronomia pas Optica, De Stella Nova, Astronomia Nova.
During his life, Johannes Kepler married Barbara Muller and had three children, Suzanna, Ludwig and Friedrich. He died in Regensburg in 1630.