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 :. | The Baptism of Christ | Regisol | Studies for a Nativity | Portrait of a Musician | Detail of Madonna of the Rocks |
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Frederic Leighton, 1st Baron Leighton
Frederic Leighton, 1st Baron Leighton PRA (3 December 1830 - 25 January 1896), known as Sir Frederic Leighton, Bt, between 1886 and 1896, was an English painter and sculptor. His works depicted historical, biblical and classical subject matter. Leighton was bearer of the shortest-lived peerage in history; after only one day his hereditary peerage ended with his death.
Ebenezer Colls
(1812- 1887 ) - Painter painted Sailboats in a squall in
Lucien Pissarro
French Camden Town Group Painter, 1863-1944 was a French painter, printmaker and wood engraver. Eldest son of the Impressionist painter Camille Pissarro, he was born in Paris and studied with his father. His works employ techniques of Impressionism and its successor, Neo-impressionism, but he also exhibited with Les XX. From 1890 he lived in London, becoming a British citizen in 1916. While in England he was one of the founders of the Camden Town Group of artists. In 1919, he formed the Monarro Group with J.B. Manson as the London Secretary and Theo van Rysselberghe as the Paris secretary, aiming to show artists inspired by Impressionist painters, Claude Monet and Camille Pissarro.