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 an old man | Leda (detail) ghk | Virgin and Child with St Anne and St John the Baptist (mk08) | Study Fur the Trivulzio-monument | Studies of children |
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Walt Louderback
American, 1887-1941
karl yens
1868-1945 was a United States painter who specialised in coastal views. Born in Germany, he emigrated to the U.S. and settled in Laguna Beach, California. He was a founding member of the California Water Color Society.
Columbano Bordalo Pinheiro
(Lisbon, 21 November 1857 - Lisbon, 6 November 1929), who is usually referred to as Columbano, was a Portuguese Realist painter. Usually considered the greatest Portuguese painter of the 19th century, he has been compared to the likes of Wilhelm Leibl and Thomas Eakins. Columbano was the son of a mediocre romantic painter, Manuel Maria Bordalo Pinheiro, and the younger brother of the great caricaturist, Rafael Bordalo Pinheiro. He became the leading painter of his generation and the master of realism in Portuguese painting, specializing in portraiture. He was disciple of his father, of the painter Miguel Ângelo Lupi and the sculptor Simões de Almeida. After attempting twice for a bursar to study abroad finally in 1881 the countess of Edla, second wife of D.Fernando would finance his study in France. There he studied the work of French naturalist, realist and impressionist painters, like Courbet, Manet and Degas without losing his distinctive style which is often gloomy and intimist. He joined the "Grupo do Leão" (The Lion's Group), a usual meeting of artists, writers and intellectuals in a Lisbon downtown restaurant called "Leão de Ouro" (The Golden Lion) in order to discuss aesthetic issues and proclaim Naturalism against the academic art of the time. The group also included Rafael Bordalo Pinheiro, Antenio da Silva Porto, Marques de Oliveira and Jose Malhoa. He painted portraits of some of the greatest names of Portuguese society and culture of his time like Jose Maria de Eça de Queiroz, Teefilo Braga, Raul Brandão and had great psychological accuracy in defining the personality of those depicted. His most famous portrait was that of the poet Antero de Quental in 1889. In this haunting work Columbano seems to have anticipated Antero's suicide. Columbano was a well known Republican, so it wasn't surprising that after the Republic proclamation, in 1910, he was invited to design the flag of the new regime and was nominated director of the National Museum of Contemporary Art, currently the Chiado Museum, in Lisbon, of which he was in charge from 1914 to 1927. The best collection of his paintings is in the Chiado Museum, in Lisbon. He's also represented in some of the finest Portuguese museums, like the National Museum Soares dos Reis, in Porto.