Kepler, by Walter W. Bryant
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Kepler, by Walter W. Bryant
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“We do not ask for what useful purpose the birds do sing, for song is their pleasure since they were created for singing. Similarly, we ought not to ask why the human mind troubles to fathom the secrets of the heavens. The diversity of the phenomena of nature is so great and the treasures hidden in the heavens so rich precisely in order that the human mind shall never be lacking in fresh nourishment.” – Johannes Kepler Just trying to define a man who had the qualities of a mathematician, astronomer, philosopher, inventor, and astrologer can prove difficult. But all of that can be ascribed to Johannes Kepler, one of the giants of his era who ushered in the Scientific Revolution and is often considered the first modern scientist. Kepler stood at a moment in time when the intellectual worldview of most in northern Europe was medieval in nature, influenced mostly by spirituality, mysticism, religion, and metaphysics. Kepler, however, was far-thinking in his outlook, taking advantages of the latest technological ideas from the Renaissance and the new translations of Greco-Roman philosophers from out of the Spanish kingdoms and the former-Byzantine Empire. Kepler himself struggled with the seemingly incongruous division between metaphysics and empiricism. By practicing empiricism and coming up with his famous laws of planetary motion, he was forced to defend his positions against a number of important ideas in western philosophy and the contemporary understanding of nature and the cosmos. All the while, Kepler was never able to escape the medieval mind he possessed, and he looked for God in the designs of the cosmos, thus attempting to wed the supernatural to the physical. Ironically, Kepler never produced results that confirmed his worldview of the cosmos - he never found the divine design of nature - but he did produce ideas that led to the view of today's universe. As such, Kepler’s work came to form the backbone of modern astronomy
Kepler, by Walter W. Bryant- Amazon Sales Rank: #6609068 in Books
- Published on: 2015-06-01
- Original language: English
- Dimensions: 9.00" h x .8" w x 6.00" l,
- Binding: Paperback
- 32 pages
About the Author Johannes Kepler (December 27, 1571 – November 15, 1630) was a German mathematician, astronomer, and astrologer. A key figure in the 17th century scientific revolution, he is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. These works also provided one of the foundations for Isaac Newton's theory of universal gravitation. During his career, Kepler was a mathematics teacher at a seminary school in Graz, Austria, where he became an associate of Prince Hans Ulrich von Eggenberg. Later he became an assistant to astronomer Tycho Brahe, and eventually the imperial mathematician to Emperor Rudolf II and his two successors Matthias and Ferdinand II. He was also a mathematics teacher in Linz, Austria, and an adviser to General Wallenstein. Additionally, he did fundamental work in the field of optics, invented an improved version of the refracting telescope (the Keplerian Telescope), and mentioned the telescopic discoveries of his contemporary Galileo Galilei.
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3 of 3 people found the following review helpful. Interesting biography of a fascinating man By Phil M. I knew of Kepler as the father of orbital mechanics, but I didn't know much else about his life before I read this book. I am impressed and amazed by how persistent he was in deriving a model of the solar system, and doubly impressed that he kept such meticulous records of all of the dead end methods he tried before devising his planetary laws. Recommended for anyone who is interested in how a great man practiced science.
1 of 1 people found the following review helpful. Ending the conflict between religion and science By Murray I. Suid Bryant's book, written early in the 20th century, does a good job of explaining to the lay person--like me--what Kepler accomplished and how he did it. I had no idea that most of what Kepler wrote was wildly wrong, and that he was more of a trial-and-error man than a brilliant scientist. Still, his astronomical laws were revolutionary, and they helped lead the way to modern astronomy.One of the more interesting parts of this book is the description of how religion delayed scientific breakthroughs. For example, many powerful religionists of Kepler's time and earlier believed that the circle was a "better" figure than the ellipse, and hence that God--in his perfection--would require that planets move in circular orbits. When Kepler proved otherwise, his book was banned.Today, even the most devoted fundamentalists accept Kepler's discovery that planets move elliptically. Unfortunately, even now many of those who control organized religions make the same error of those who worked against Kepler. Some, for example, use their interpretations of the Bible to ridicule scientific estimates of the age of the earth.A more enlightened religious leadership, one not seeking to impose its views on science, would--this book demonstrates--benefit both the sacred and the profane domains.
0 of 0 people found the following review helpful. A troubled life for science By Meks Librarian “Kepler”, a biography by Walter W. Bryant and first published in 1920, certainly was substantial enough – even too substantial in those parts where the author (from the Royal Observatory in Greenwich) describes in much detail all the equations and theories Kepler and other astronomers before him worked out. I must admit I quick-read several chapters; I wasn’t overly interested in the exact mathematical formulas for each of the three Kepler’s Laws of Planetary Motions, but much more in his life and in himself as a person.(If you are scientifically minded and want to see what I mean, have a look at the wikipedia-article and then imagine having it all explained in mere text, without any of the illustrations.)What I’d known about Johannes Kepler until now was precious little enough: He lived in the 16th and 17th century, was born in Weil der Stadt (a small town not very far from where I live) and worked as an astronomer, sometimes in close association with Tycho Brahe. With what I have learned from the book, a different picture emerges; that of a troubled man who was never really able to live off his scientific work, a man who had to deal with many problems and obstacles in both his personal and his professional life, and who most likely was never very happy during the 58 years of his life.He married twice; his first wife and several of his children died of various illnesses, no doubt due not only to the not very hygienic circumstances people generally lived under at the time, but also because the family were poor and probably could not always afford good meals and what limited medical help would have been available. Because of his constant shortage of money (he was patronized by several high-standing persons, for instance the Austrian emperor Rudolf, but payment was irregular at best), he wrote and sold horoscopes on demand – something he hated, because he knew it to be unscientific and untrue. The political and religious changes of his times meant he frequently had to change post and move his family from places in Austria to Prague, to Denmark and Germany, and he even could have gone to Italy on invitation of Galileo Galilei, but declined the offer on the grounds of feeling it was unsafe.To top all the problems coming from outside, he was physically weak and affected by vision problems due to having nearly died from smallpox as a child. Knowing all this, his great efforts in achieving something in the world of science seem even greater. Although his own knowledge was limited (for instance, Newton had not yet discovered the Law of Gravity), his work became crucial to the further development of astronomy.Like I said, I had not known much about Kepler until reading this book. It was well worth it, because I now have a more complete picture of someone who did not give up easily in the face of adversities.Not much can be found about the author with a superficial research; his name is listed several times in connection with various posts at the Royal Observatory in Greenwich for the years 1892 to 1923; apparently, he died in office as Superintendent of the Magnetical and Meteorological Department on 31 January 1923. He wrote other books and scientific articles, too, but little seems to have been recorded about himself.
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