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 :. | Portrait of a Lady at the Court of Milan (san05) | La Gioconda (The Mona Lisa) | The Virgin of the Rocks | Portrait of Cecilia Gallarani | Portrait of Ginerva de'Benci-u |
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John Vanderlyn
1775-1852 John Vanderlyn (October 18, 1775 ?C September 23, 1852) was a American neoclassicist painter, was born at Kingston, New York. He was employed by a print-seller in New York, and was first instructed in art by Archibald Robinson (1765-1835), a Scotsman who was afterwards one of the directors of the American Academy. He went to Philadelphia, where he spent time in the studio of Gilbert Stuart and copied some of Stuart's portraits, including one of Aaron Burr, who placed him under Gilbert Stuart as a pupil. He was a proteg?? of Aaron Burr who in 1796 sent Vanderlyn to Paris, where he studied for five years. He returned to the United States in 1801 and lived in the home of Burr, then the Vice President, where he painted the well-known likeness of Burr and his daughter. In 1802 he painted two views of Niagara Falls, which were engraved and published in London in 1804. He returned to Paris in 1803, also visiting England in 1805, where he painted the Death of Miss McCrea for Joel Barlow. Vanderlyn then went to Rome, where he painted his picture of Marius amid the Ruins of Carthage, which was shown in Paris, and obtained the Napoleon gold medal there. This success caused him to remain in Paris for seven years, during which time he prospered greatly. In 1812 he showed a nude Ariadne (engraved by Durand, and now in the Pennsylvania Academy), which increased his fame. When Aaron Burr fled to Paris, Vanderlyn was for a time his only support. Vanderlyn returned to the United States in 1815, and painted portraits of various eminent men, including Washington (for the U.S. House of Representatives), James Monroe, John C. Calhoun, Governor Joseph C. Yates, Governor George Clinton, Andrew Jackson, and Zachary Taylor. He also exhibited panoramas and had a "Rotunda" built in New York City which displayed panoramas of Paris, Athens, Mexico, Versailles (by himself), and some battle-pieces; but neither his portraits nor the panoramas brought him financial success, partly because he worked very slowly. In 1842, through friendly influences, he was commissioned by Congress to paint The Landing of Columbus. Going to Paris, he hired a French artist, who, it is said, did most of the work. It was engraved for the United States five-dollar banknotes. He died in poverty at Kingston, New York, on 23 September 1852. Vanderlyn was the first American to study in France instead of in England, and to acquire accurate draughtsmanship. He was more academic than his fellows; but, though faithfully and capably executed, his work was rather devoid of charm, according to the 1911 Encyclopaedia Britannica. His Landing of Columbus has been called (by Appleton's Cyclopedia) "hardly more than respectable." His other works include portraits of Monroe, and Robert R Livingston (New York Historical Society).
Prentice, Levi Wells
American, 1850-1935
martin luther
Born: 10 November 1483 Birthplace: Eisleben, Germany Died: 18 February 1546 Best Known As: German monk who started Protestant Reformation