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 :. | Studies fur the adoration of the Konige | The Last Supper (detail) sg | Portrats of two men | Lorenzo de Medici between Antonio Pucci and Francesco Sassetti, with Giulio de Medici, fresco by Ghirlandaio | La belle Ferronire dg |
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Pieter de Grebber
(c. 1600, Haarlem - 1652/3, Haarlem) was a Dutch Golden Age painter. De Grebber was the oldest son of Frans Pietersz de Grebber (1573 - 1643), a painter and embroiderer in Haarlem, and the brother of the painters Maria and Albert. He learned to paint from his father and from Hendrick Goltzius. He was descended from a Catholic and artistic family and his sister Maria later became the mother-in-law of Gabriel Metsu. He was a friend of the priest and musicologist Jan Albertszoon Ban, and had a poem set to music by the Haarlem composer Cornelis Padbrue. In 1632 he became a member of the Haarlem Guild of St. Luke, but he had already been active as a painter for 10 years. His pupils were Gerbrand Ban, Nicolaes Pietersz Berchem, Egbert van Heemskerck, and Dirck Helmbreeker. In 1618, father and son went to Antwerp and negotiated with Peter Paul Rubens over the sale of his painting "Daniel in the lions pit". It was then handed - via the English ambassador in the Republic, Sir Dudley Carleton - to king Charles I. Pieter got important commissions not only in Haarlem, but also from the stadholder Frederik Hendrik. As such, he worked on the decoration of the Huis Honselaarsdijk in Naaldwijk and at the Paleis Noordeinde in Huis ten Bosch in the Hague. He painted altar pieces for churches in Flanders and hidden Catholic churches in the Republic. He may also have worked for Danish clients. Pieter remained single and lived from 1634 until his death at the Haarlem Beguinage.
Lear, Edward
English Painter and Illustrator, 1818-1888 English painter, draughtsman, illustrator and writer. In the 1860s Lear described himself as 'Greek Topographical Painter par excellence', aspiring to the title of 'Painter-Laureate and Boshproducing-Luminary forthwith' (quoted in 1983 exh. cat., p. 14). This whimsical summary of his versatile activities as topographical draughtsman, oil painter, traveller, writer and illustrator of nonsense rhymes and stories is typical of Lear's idiosyncratic literary style. It reflected his eccentric personality. He was epileptic and prone to fits of deep depression. In addition, owing to family misfortunes,
Neuville, Alphonse de
French, 1843-1919