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 :. | Madonna with the Yarnwinder after 1510 | The Virgin and St Anne | Adoration of the Magi | Madonna with the Yarnwinder | Maria with Child and St. Anna |
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Jean-francois raffaelli
French, 1850-1924 was a French realist painter, sculptor, and printmaker who exhibited with the Impressionists. He was also active as an actor and writer. He was born in Paris, and showed an interest in music and theatre before becoming a painter in 1870. One of his landscape paintings was accepted for exhibition at the Salon in that same year. In October 1871 he began three months of study under Jean-Leon Gerôme at the Ecole des Beaux-Arts in Paris; he had no other formal training. Raffaëlli produced primarily costume pictures until 1876, when he began to depict the people of his time particularly peasants, workers, and rag-pickers seen in the suburbs of Paris in a realistic style.
Marcus Stone
British 1840-1921 English painter, son of Frank Stone, ARA, was trained by his father and began to exhibit at the Academy before he was eighteen; and a few years later he illustrated with much success books by Charles Dickens, Anthony Trollope, and other writers, friends of his family. He was elected an associate of the Royal Academy in 1877, and academician in 1887. In his earlier pictures he dealt much with historical incidents, but in his later work he occupied himself chiefly with a particular type of dainty sentiment, treated with much charm, refinement and executive skill.
Pavlosky, Vladimir
American, 1884-1944