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 :. | The Virgin of the Rocks | Mona Lisa | The Virgin of the Rocks | Virgin of the Rocks (mk10) | Flower Studies |
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Petrus Christus
Flemish 1415-1473 Petrus Christus Locations South Netherlandish painter. His known artistic career began in Bruges on 6 July 1444 when, as the Poorterboek (citizens register) for that day reveals, he purchased his citizenship ... in order to be a painter. Town records show that he and his wife became members of the Confraternity of the Dry Tree c. 1462; that in 1463 he and another painter, Pieter Nachtegale, were paid for the construction of a Tree of Jesse (destr.) and for the cost of assistants employed on the day of the religious procession in which it was used; and that on 19 March 1472 he served as a representative of the painters guild in a dispute with another painter, Jehan de Hervy the elder ( fl 1472-1507). These and a few other scattered references comprise the existing documentation for Christusa life and work.
Gerard de Lairesse
Gerard or Gerard de Lairesse (11 September 1640 or 1641 - June 1711) was a Dutch Golden Age painter and art theorist. Lairesse was born in Liege. His broad range of talent included music, poetry, and the theatre. He was perhaps the most celebrated Dutch painter in the period following the death of Rembrandt. His treatises on painting and drawing, Grondlegginge der teekenkonst (1701) and Groot Schilderboek (1707), were highly influential on 18th-Century painters like Jacob de Wit. Students of De Lairesse included the painter Jan van Mieris. He died in Amsterdam.
Thomas Fearnley
Norwegian Painter, 1802-1842 Norwegian painter. He was descended from a Yorkshire merchant who had settled in Norway in 1753. In 1819 he went into business but at the same time entered the Kongelige Tegneskole in Christiania (now Oslo) and received further training at the art colleges in Copenhagen (1821-3) and Stockholm (1823-7), where Karl XIV commissioned work from him. Fearnley spent much of his life travelling. In Norway in the summer of 1826 he met J. C. Dahl, with whom he later studied in Dresden (1829-30), learning especially to observe nature. After two years in Munich (1830-32),