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 :. | Profile of a man | The Last Supper (detail) sg | Portrait of Cecilia Gallerani | Adoration of the Magi | The organs of the woman |
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William blair bruce
Canadian Painter, 1859-1906
Peder Severin Kroyer
Norwegian-born Danish Painter, 1851-1909 Norwegian-Danish painter, was born in Stavanger, Norway to Ellen Cecilie Gjesdal. He is one of the best known and beloved, and undeniably the most colorful of the Skagen Painters, a community of Danish and Nordic artists who lived, gathered or worked in Skagen, Denmark, especially during the final decades of the 1800s. Krøyer was the unofficial leader of the group. The mother having been judged unfit, he was given to be cared for by Gjesdal's sister and the sister's husband. Along with the foster parents, he moved to Copenhagen soon afterwards. He began his art education at nine years of age under private tutelage, and was enrolled in Copenhagen's Technical Institute the following year. In 1870 at the age of 19 he completed his studies at the Royal Danish Academy of Art (Det Kongelige Danske Kunstakademi), where he studied with Frederik Vermehren. In 1873 he was awarded the gold medal and a scholarship. His official debut as a painter was in 1871 at Charlottenborg with a portrait of a friend, painter Frans Schwartz. He exhibited regularly at Charlottenborg throughout his lifetime. In 1874 Heinrich Hirschsprung bought his first painting from Krøyer,
Georges Michel
French Painter, 1763-1843 French painter. He came from a humble background, his father being an employee at the market of Les Halles in Paris. At an early age, a farmer general, M. de Chalue, took an interest in him and found him a place with the curate of Veruts, on the plain of Saint-Denis, north of Paris. It was here that he first developed a love of the countryside. In 1775 he was apprenticed to a mediocre history painter called Leduc, but he preferred to go off and sketch out of doors. In order to assist him, M. de Berchigny, Colonel in the Hussars, engaged him in his regiment garrisoned in Normandy and arranged for him to take lessons in art. He remained there for more than a year and then returned to Paris, where he worked with M. de Grammont-Voulgy, who was Steward to the brother of Louis XVI.