Johannes Kepler was a German polymath who was an astronomer, mathematician, astrologer, natural philosopher and music theorist. He is a key figure in the 17th-century Scientific Revolution, best known
Portrait, c. 1910, after 1620 original
Kepler's birthplace, in Weil der Stadt, Germany
Oil on copper portraits of Kepler and his wife, c. 1600
House of Kepler and Barbara Müller in Gössendorf, near Graz (1597–1599)
Harmonice Mundi is a book by Johannes Kepler. In the work, written entirely in Latin, Kepler discusses harmony and congruence in geometrical forms and physical phenomena. The final section of the work
1619 first edition
Page with geometric illustrations, including a truncated trihexagonal tiling, the stellated dodecahedra (small and great) and the Platonic solids assigned to elements.