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 :. | Leda fh | Study Fur the Trivulzio-monument | Six studies fur naked or clothed men | The master of the Pala Sforzesca attributed | St John in the Wilderness |
Related Artists:
Silvestro lega
Italian Realist Painter, 1826-1895 Italian painter. From 1843 to 1847 he attended the Accademia di Belle Arti, Florence, studying drawing under Benedetto Servolini (1805-79) and Tommaso Gazzarini (1790-1853), then, briefly, painting under Giuseppe Bezzuoli. About 1847 he entered Luigi Mussini's school (see PURISMO), where the teaching emphasized the 15th-century Florentine principles of drawing and orderly construction. Then and for some years afterwards he continued to attend the Scuola del Nudo of the Accademia. After fighting in the military campaigns for Italian independence (1848-9) Lega resumed his training, this time under Antonio Ciseri, executing his first large-scale painting, Doubting Thomas (1850; Modigliana, Osp. Civ.). In 1852 he won the Concorso Trienniale dell'Accademia with David Placating Saul
Pieter Cornelisz. van Slingelandt
(20 October 1640 - 7 November 1691) was a Dutch Golden Age painter. According to Houbraken, his teacher was Gerard Dou, who he imitated so well that many of his works were later misattributed to him. According to Houbraken he was rather introverted and very methodical and conscientious, spending months on his works and striving for perfection. Houbraken especially liked a piece where a maid holds a mouse by the tail as a cat jumps for it. Houbraken wrote that while Slingelandt was working on a family portrait for the gentleman Francois Meerman (1630-1672),
LENS, Andries Cornelis
Flemish painter (b. 1739, Antwerpen, d. 1822, Bruxelles). Flemish painter and writer. He was the son of the flower painter Cornelis Lens (d after 1766) and studied first under Charles Ykens II (1719-53) and then under Balthazar Beschey. In 1756 he was awarded first prize at the Academie of Antwerp and in 1763 was appointed to the staff on the strength of his decoration (destr.) of the refectory of the Alexians at Lier. He also came to the attention of Charles Alexandre, Duke of Lorraine and Bar, Governor-General of the Netherlands