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The Roman Way, that we Americans are more like the practical.
Leonardo da Vinci's design for a tank.
Francesca 's, on Perspective in Painting.
We have all been victimized by the image of the ivory tower intellectual who has a hard time finding his way home on the one hand, and the image of the practical businessman who couldnt tell you the title of a single.Died: in Cloux, Amboise, France.In Walter Isaacsons 2008 biography of Albert Einstein, he"s the great scientist as saying, Imagination is more important than knowledge.Cambridge, MA: Harvard University Press, 1981.

While war stopped the Sforza project, da Vinci also did not complete many of his paintings and other works.
Romans than the theoretical, greeks.
Correspondence with Francesco Melzi, his assistant at the time and some speculate, his lover indicate that he may have been unhappy in his final years.
During this period of his life, he was also influenced by his uncle, who had a love of nature and had a hand in rearing him during his formative years.He thought of the Moon as being similar to the Earth with seas and areas of solid ground.Leonardo went far beyond any of them, producing the earliest anatomical drawings still followed today.In 1513 the French were removed from Milan and Leonardo moved again, this time to Rome.Collaboration on a major project by a master and his assistant was standard procedure in the Italian Renaissance.However, most of Leonardo's scientific observations remained unproven until the same questions were again investigated in later centuries.In 1506 Leonardo returned for a second period in Milan.During his time in Milan, Leonardo became interested in geometry.He understood the fact that the Moon shone with reflected light from the Sun and he correctly explained the 'old Moon in the new Moon's arms' as the Moon's surface illuminated by light reflected from the Earth.