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 :. | Portrat of a Madchens | The last dinner | Study of the proportion of the head | Power and ortraits | Profile of an old man |
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DELEN, Dirck van
Dutch painter (1604/5-1671) Dutch painter. When he married in 1625 he was a citizen of Middelburg, but he settled in nearby Arnemuiden, where he became master of the toll-house. From 1628 until his death he was almost continually a member of the town council, mostly as burgomaster. He was widowed three times and had at least one son, though no children survived him.
Jankel Adler
(July 26, 1895 ?C April 25, 1949) was a Polish painter and printmaker. He was born as the seventh of ten children in Tuszyn, a suburb of Ł??dź. In 1912 he began training as an engraver with his uncle in Belgrade. He moved in 1914 to Germany where he lived for a time with his sister in Barmen. There he studied at the college of arts and crafts with professor Gustav Wiethecher. From 1918-1919 he went back to Ł??dź, where he was joint founder of a group of avant-garde artists. In 1920 he returned briefly to Berlin; in 1921 he returned to Barmen, and in 1922 he moved to Desseldorf. There he became a teacher at the Academy of Arts, and became acquainted with Paul Klee, who influenced his work. A painting by Adler received a gold medal at the exhibition German art Desseldorf in 1928. In 1929 and 1930 he went on study trips in Mallorca and other places in Spain. During the election campaign of July 1932 he published with a group of leftist artists and intellectuals an urgent appeal against the policy of the National Socialists and for communism. As a modern artist, and especially as a Jew, he faced persecution under Hitler's regime which took power in 1933.
Pietro Antoniani
Italian , born Milan circa 1740-1805