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 :. | Study fur the Sforza-Reiterstandbild | Study fur the head of a Madchens | Last Supper | Power and ortraits | Mona Lisa |
Related Artists:
Charles Wilson Peale
1741-1827 Charles Wilson Peale Galleries Finding that he had a talent for painting, especially portraitures, Peale studied for a time under John Hesselius and John Singleton Copley. Friends eventually raised enough money for him to travel to England to take instruction from Benjamin West. Peale studied with West for two years beginning in 1767, afterward returning to America and settling in Annapolis, Maryland. There, he taught painting to his younger brother, James Peale, who in time also became a noted artist. Peale's enthusiasm for the nascent national government brought him to the capital, Philadelphia, in 1776, where he painted portraits of American notables and visitors from overseas. His estate, which is on the campus of La Salle University in Philadelphia, can still be visited. He also raised troops for the War of Independence and eventually gained the rank of captain in the Pennsylvania militia by 1777, having participated in several battles. While in the field, he continued to paint, doing miniature portraits of various officers in the Continental Army. He produced enlarged versions of these in later years. He served in the Pennsylvania state assembly in 1779-1780, after which he returned to painting full-time. Peale painted in the trompe l'oeil style,[1] and was quite prolific as an artist. While he did portraits of scores of historic figures (such as John Hancock, Thomas Jefferson and Alexander Hamilton), he is probably best known for his portraits of George Washington. The first time Washington ever sat for a portrait was with Peale in 1772, and there would be six other sittings; using these seven as models, Peale produced altogether close to 60 portraits of Washington. In January 2005, a full length portrait of "Washington at Princeton" from 1779 sold for $21.3 million dollars - setting a record for the highest price paid for an American portrait. Peale had a great interest in natural history, and organized the first U.S. scientific expedition in 1801. These two major interests combined in his founding of what became the Philadelphia Museum, and was later renamed the Peale Museum. This museum is considered the first. It housed a diverse collection of botanical, biological, and archaeological specimens. Most notably, the museum contained a large variety of birds which Peale himself acquired, and it was the first to display North American mammoth bones. The display of the mammoth bones entered Peale into a long standing debate between Thomas Jefferson and Comte de Buffon. Buffon argued that Europe was superior to the Americas biologically, which was illustrated through the size of animals found there. Jefferson referenced the existence of these mammoths (which he believed still roamed northern regions of the continent) as evidence for a greater biodiversity in America. Peale's display of these bones drew attention from Europe, as did his method of re-assembling large skeletal specimens in three dimensions. The museum was among the first to adopt Linnaean taxonomy. This system drew a stark contrast between Peale's museum and his competitors who presented their artifacts as mysterious oddities of the natural world. The museum underwent several moves during its existence. At various times it was located in several prominent buildings including Independence Hall and the original home of the American Philosophical Association. The museum would eventually fail in large part because Peale was unsuccessful at obtaining government funding. After his death, the museum was sold to, and split up by, showmen P. T. Barnum and Moses Kimball.
Mitchell, Thomas
English, 1735-90
Auguste de Chatillon
(1808 - 1881)