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 :. | Raffaello Sanzio named Raffael Portrat of Lorenzo de Medici | Head of a girl | la scapigliata | Annunciation (detail) dg | Anatomical study of the brain and the scalp |
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Ralph Eleaser Whiteside Earl
(1785-8 - Nashville, Tennessee, September 16, 1838), also known as Ralph E. W. Earl or Ralph Eleazer Whiteside Earl, was an American painter known as the "court painter" to President Andrew Jackson. Earl was the son of portrait painter Ralph Earl and his second wife Ann Whiteside. He was born c. 1785-88, probably in New York City, and likely received his early training in portraiture from his father, whose naive style is reflected in the younger Earl's earliest works. He traveled to London in 1809, where he studied for a year with John Trumbull and was advised by Benjamin West, learning perspective, anatomy, and three-dimensional illusion. He remained in England until 1814, living with his maternal grandfather and uncle in Norwich and executing portrait commissions. He then traveled to Paris before returning to the United States in December 1815 with the intention of creating grand-scale history paintings on the European model. As preparation for a planned project depicting the Battle of New Orleans, Earl met General Andrew Jackson and visited him at his Tennessee home, The Hermitage, in January 1817. Earl painted portraits of Jackson and his family, and married Mrs. Jackson's niece Jane Caffery on 19 May 1819. She died in childbirth in 1820.
Thomas Ruckle
was a house painter and sign painter in early nineteenth century Baltimore, Maryland, and an amateur painter. He is best known for his paintings The Battle of North Point, and The Defense of Baltimore. Ruckle was a veteran of the War of 1812, in which he had served as a corporal in the 5th Maryland Regiment of the Maryland Militia. Ruckle was born in Ireland and, having moved to Baltimore, Maryland, he became a sign painter and house painter. It is likely that he had very little, if any, formal training as an artist.
Antoine Le Nain
French Baroque Era Painter, ca.1600-1648,The three were born in Laon (Mathieu in 1607; Antoine and Louis were originally believed to have been born in 1588 and 1593, respectively, but those dates have since been disputed: they may have instead been born just before and just after 1600), and by 1630, all three lived in Paris. Because of the remarkable similarity of their styles of painting and the difficulty of distinguishing works by each brother (they signed their paintings only with their surname, and many may have been collaborations), they are commonly referred to as a single entity, Le Nain. Louis is usually credited with the best-known of their paintings, a series of scenes depicting peasant life. These genre paintings are often noted for being remarkably literal, yet sympathetic; the subjects are never grotesque or seem ridiculed. There remains some question, however, as to whether some of the assumed "peasants" were truly from the rural class--many seem to be simply the bourgeois at leisure in the country. The brothers also produced miniatures (mainly attributed to Antoine) and portraits (attributed to Mathieu). Mathieu became the official painter of Paris in 1633, and was made a chevalier. Antoine and Louis died in 1648. Mathieu lived until 1677. The Le Nain paintings had a revival in the 1840s and, thanks to the exertions of Champfleury, made their appearance on the walls of the Louvre in 1848.