Johannes Kepler

Here we listed out important facts about famous scientist Johannes Kepler, with his Biography, Profile, Facts, Timeline, Awards, Achievement, etc.,

Born: 27 December 1571, Weil der Stadt, Germany
Died: 15 November 1630, Regensburg
Children: Ludwig Kepler, Sebald Kepler, Heinrich Kepler, more
Education: University of Tübingen (1591–1594), Tübinger Stift (1587–1591)
Nationality: German
Fields: Astronomy, astrology, mathematics and natural philosophy
Institutions: University of Linz
Known for: Kepler’s laws of planetary motion, Kepler conjecture, Rudolphine Tables


  • Kepler was a brilliant mathematician and astronomer. He did early work on light, and established the laws of planetary motion about the sun.
  • He also came to close to reaching the Newtonian concept of universal gravity well before Newton was born!
  • The founder of modern astronomy…….His real dream was to enter the ministry, but economic necessity forced him to pursue mathematics. He would later recongnize God’s leading in the academic route he followed…… Harrassment over his religious beliefs compelled him to leave Gratz (Austria) in 1957.
  • All of Kepler’s writings and letters displayed deep religious convictions. He held that Scripture used the common expressions of mankind when it spoke about mundane things as opposed to spiritual mattes.
  • Hence, he perceived the Bible to be a spiritual and not a scientific guide. He held reason to be above authority in matters of natural philosophy, while authority (that is church and Scripture) ruled in matters of religion.
  • He saw himself as a priset of nature whose discoveries glorified the name of God.
  • When Mysterium cosmographicum was printed, Kepler’s school requested he delte passages referring to Scripture.
  • He did so, but in a short tract explained his view on the relationship of Scripture to science.
  • Johannes Kepler (1571-1630) was a rare and strange man whose life was fraught with vicissitudes stemming from the Diet of Augsburg (1955) with its principle “curious region, eius religio” to the devastating Thirty Year War (1618-1648).
  • He was born of Lutheran parents (father a soldier, mother daughter of an innkeeper) in Weil der Stadt, Wfirttemberg.
  • At seven he was sent to a cloister Latin school and at thirteen to a seminary, from which he received a B.A. Two years later he was awarded an M.A. from the protestant University of Tubingen, which he had entered at eighteen to become a Lutheran priest.
  • In the middle of the third year of his subsequent theological preparation the faculty recommended him to be teacher of mathematics and astronomy at the protestant seminary in Graz, Austria, where he was also appointed District Mathematician. (He married at twenty-six)
  • At twenty eight he met the Danish astronomer Tycho Brahe (1546-1601) at Pague.
  • At thirty he began collaborating with Brahe on the Rudolphine Tables.
  • In that very year, however, Brahe died; Rudolph 11 appointed Kepler to succeed him as Imperial Mathematician. Only his wife’s income saved him from the embarrassment of uncertain salary payments.
  • Upon the Emperor’s forced abdication in 1612 and his own refusal to become a Catholic, he had to seek employment elsewhere again, this time as District Mathematician in Linz. ( His wife having died, he remarried a happier venture.)
  • His outstanding characteristic, however, was his integrity resulting in sincere and frank behavior.
  • He was conscientious agreeing with the new Gregorian calendar (1582), lasted until about 1700.
  • A Platonist, Kepler was a mathematical mystic. He believed that “everything in nature is arranged according to measure and number.”  He was convinced that “the geometrical natures of things have provided the Creator the model for decorating the whole world.”
  • He was the first to place the birth of Jesus at 4 B.C……… As for ant influences of the stars, he exercised restraint and caution –he recognized their general psychic effects, but avoided specific predictions. He seized the opportunity to give moral admonitions, to urge peaceful practices.
  • Kepler wrote occasional papers on theology, but he never claimed to be a theologian.
  • He regarded himself as a layman who was a mathematician, a (natural) philosopher, a historian.
  • The general goal of science, he believed, is to bring man to God; the principle of his scientific work is praise of God. “We astronomers are priests of the highest God in regard to the book of nature.” “God is the beginning and end of scientific research and striving”-the keynote of his thought, the basis of his purpose, the “life-giving soil of his feeling.”
  • For him, “geometry is unique and eternal, a reflection of the mind of God. That mankind shows in it is because man is an image of God.
  • Kepler regarded the Copernican theory as literally true-not a convenient fiction.
  • With respect to questionable Biblical passages, he noted, “It is not the purpose of the Holy Scriptures to instruct men in natural things.”
  • He subscribed wholeheartedly to the Augsburg Confession, he could not quite endorse the Book of Concord (1580) because of its doctrine of the omnipresence of Christ.
  • Kepler’s scientific writings are interspersed with pertinent religious comments.


Johannes Kepler

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