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 | Profile of a child | Madonna with the carnation | Madonna in the rock grottos | Virgin and Child with St Anne and St John the Baptist (mk08) |
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Arnold Houbraken
(28 March 1660 - 14 October 1719) was a Dutch painter and writer from Dordrecht, now remembered mainly as a biographer of artists from the Dutch Golden Age. He had ten children. His son Jacobus Houbraken (1698-1780) was an engraver of portraits and book illustrations, including books by his father. His daughter Antonina Houbraken also became an engraver for an Amsterdam publisher, and is known today for her embellishment of cityscapes and buildings with animals and people. Houbraken was sent first to learn threadtwisting from Johannes de Haan, who introduced him to engraving. After two years he then studied art with Willem van Drielenburch, who he was with during the rampjaar, the year 1672. He then studied 9 months with Jacobus Leveck and finally, four years with Samuel van Hoogstraten. In 1685 he married Sara Sasbout, and around 1709 he moved from Dordrecht to Amsterdam. Arnold Houbraken painted mythological and religious paintings, portraits and landscapes.
Louise Moillon
(1610-1696) was a French painter in the Baroque era. She became known as one of the best female still life painters during her time, and worked for King Charles I of England, as well as the French nobility. Moillon came from a strict Calvinist family. Her father, brother Isaac, and stepfather were both paint dealers and artists themselves. According to the RKD, Louise (also known as Louisa) learned to paint from her father Nicolas Moillon and Francois Garnier. She gained her particular style of still life painting from the Academie de Saint-Germain-des-Pres. She usually signed her paintings with Louyse Moillon. Moillon lived and worked in France her whole life.
Emil janssen
1807-45