Search Results: Johannes Kepler

Johannes Kepler (1571-1630) was a German astronomer and mathematician most famous for creating what was up to that point the most accurate model of planetary astronomy with his three laws of planetary motion. Kepler was the first to present...

A portrait of Johannes Kepler (1571-1630) the astronomer who created the then most accurate model of planetary astronomy and the laws of planetary motion. (Kepler Museum, Weil der Stadt, Germany)

A 19th-century engraving of the astronomer Johannes Kepler (1571-1630) by Frederick Mackenzie. (Smithsonian Libraries)

Johannes Gutenberg (l. c. 1398-1468) was the inventor of the printing press (c. 1450) who seems to have developed the device from wine and oil presses of the time. Gutenberg’s printing press not only revolutionized book making but literally...

Johannes Hevelius (1611-1687) was a Polish astronomer based in Danzig (Gdańsk). He worked from his own privately funded observatory, creating maps of the Moon's surface, discovering the first variable star, and spotting several new comets...

Johannes Brahms (1833-1897) was a German composer of Romantic music best known for his symphonies, songs, and orchestral, chamber, and piano music. A great student of the history of music, Brahms was convinced that only by working within...

The astronomers of the Scientific Revolution rejected long-held theories of ancient thinkers like Claudius Ptolemy and Aristotle and instead set out to systematically observe the heavens in order to create a model of the universe that fit...

Tycho Brahe (1546-1601) was a Danish nobleman who made the most significant contribution to our knowledge of astronomy before the telescope arrived. He discovered a supernova, observed the elliptical interplanetary orbit of a comet, updated...

A diagram showing the idea of Johannes Kepler (1571-1630) that the planets of the universe were made up of Platonic solids set within each other. From Kepler's Mysterium Cosmographicum (1596)

A map of the world according to Johannes Kepler (1571-1630) and published in his Rudolphine Tables in 1627. (web.archive.org)