Italian High Renaissance Painter and Inventor, 1452-1519 Italian High Renaissance Painter and Inventor, 1452-1519 Florentine Renaissance man, genius, artist in all media, architect, military engineer. Possibly the most brilliantly creative man in European history, he advertised himself, first of all, as a military engineer. In a famous letter dated about 1481 to Ludovico Sforza, of which a copy survives in the Codice Atlantico in Milan, Leonardo asks for employment in that capacity. He had plans for bridges, very light and strong, and plans for destroying those of the enemy. He knew how to cut off water to besieged fortifications, and how to construct bridges, mantlets, scaling ladders, and other instruments. He designed cannon, very convenient and easy of transport, designed to fire small stones, almost in the manner of hail??grape- or case-shot (see ammunition, artillery). He offered cannon of very beautiful and useful shapes, quite different from those in common use and, where it is not possible to employ cannon ?? catapults, mangonels and trabocchi and other engines of wonderful efficacy not in general use. And he said he made armoured cars, safe and unassailable, which will enter the serried ranks of the enemy with their artillery ?? and behind them the infantry will be able to follow quite unharmed, and without any opposition. He also offered to design ships which can resist the fire of all the heaviest cannon, and powder and smoke. The large number of surviving drawings and notes on military art show that Leonardo claims were not without foundation, although most date from after the Sforza letter. Most of the drawings, including giant crossbows (see bows), appear to be improvements on existing machines rather than new inventions. One exception is the drawing of a tank dating from 1485-8 now in the British Museum??a flattened cone, propelled from inside by crankshafts, firing guns. Another design in the British Museum, for a machine with scythes revolving in the horizontal plane, dismembering bodies as it goes, is gruesomely fanciful. Most of the other drawings are in the Codice Atlantico in Milan but some are in the Royal Libraries at Windsor and Turin, in Venice, or the Louvre and the École des Beaux Arts in Paris. Two ingenious machines for continuously firing arrows, machine-gun style, powered by a treadmill are shown in the Codice Atlantico. A number of other sketches of bridges, water pumps, and canals could be for military or civil purposes: dual use technology. Leonardo lived at a time when the first artillery fortifications were appearing and the Codice Atlantico contains sketches of ingenious fortifications combining bastions, round towers, and truncated cones. Models constructed from the drawings and photographed in Calvi works reveal forts which would have looked strikingly modern in the 19th century, and might even feature in science fiction films today. On 18 August 1502 Cesare Borgia appointed Leonardo as his Military Engineer General, although no known building by Leonardo exists. Leonardo was also fascinated by flight. Thirteen pages with drawings for man-powered aeroplanes survive and there is one design for a helicoidal helicopter. Leonardo later realized the inadequacy of the power a man could generate and turned his attention to aerofoils. Had his enormous abilities been concentrated on one thing, he might have invented the modern glider.   Related Paintings of LEONARDO da Vinci :. | Last Supper (mk08) | Benois Madonna | Muscle structure of the thigh | Mona Lisa (detail) dyk | A full-scale composition of the Virgin and Child with St Anne and the infant St John the Baptist |
Related Artists:
Domingo Garcia y Vasquez
painted Ponta do Cavalao - Niteroi in 1883
William Yates
painted Fisherman on the River Bank in 19th Century
Johann Koler
(8 March 1826, in Vastemõisa near Suure-Jaani, Viljandi County, Estonia - 22 April 1899 in St. Petersburg, Russia) was an Estonian painter. He is considered to have been the first professional Estonian painter. He distinguished himself primarily by his portraiture and to a lesser extent by his landscape paintings. Some of his most notable pictures depict the Estonian rural life in the second half of the 19th Century. Johann Köler was the seventh child born to a peasant family. Despite the poverty of the parents Köler managed to attend the elementary and the district schools in Viljandi. Then he attended a workshop of master painters in Cesis (then in Livonia). In 1846, Köler travelled to St. Petersburg to work as a sign writer, where his talent was soon discovered. From 1848 to 1855 Johan Köler studied drawing and painting at the St. Petersburg Imperial Academy of Arts. During 1857 Köler travelled to Paris via Berlin, later returned to Germany then travelled to the Netherlands and Belgium. In 1858, he travelled across the Alps to Milan, Geneva, Florence and Rome. There, he studied in a private academy and devoted his time to watercolor technique. In Rome during 1859 he presented his composition "Christ on the Cross". Answering the call of the St. Petersburg Academy of Arts, Köler returned to the city in 1861. From 1862 to 1874 he was a teacher of the Grand Duchess Maria Aleksandrovna, the daughter of Czar Alexander II of Russia. In 1869-1870, he worked as a lecturer at the St. Petersburg Academy of Arts. From 1886 to 1889 Johan Köler worked in Vienna, Nice and Paris.