LEONARDO DA VINCI

Leonardo da Vinci (April 15, 1452 – May 2, 1519) was an Italian Renaissance architect, musician, anatomist, inventor, engineer, sculptor, geometer, and painter. He has been described as the archetype of the "Renaissance man" and as a universal genius. Leonardo is famous for his masterly paintings, such as The Last Supper and Mona Lisa.

Leonardo is also known for designing many inventions that anticipated modern technology, although few of these designs were constructed in his lifetime. In addition, he helped advance the study of anatomy, astronomy, and civil engineering.

PERSONAL LIFE OF LEONARDO DA VINCI

Leonardo was born in Anchiano, near Vinci, Italy. He was an illegitimate child. His father, Ser Piero da Vinci was a young lawyer and his mother, Caterina, was most likely a peasant girl. It has also been suggested, albeit on scanty evidence, that she was a Middle Eastern slave owned by Piero.

As he was born before modern naming conventions developed in Europe, his full name was "Leonardo di ser Piero da Vinci", which means "Leonardo, son of Mister Piero, from Vinci". Leonardo himself simply signed his works "Leonardo" or "Io, Leonardo" ("I, Leonardo"). Most authorities therefore refer to his works as "Leonardos", not "da Vincis". Presumably he did not use his father's name because of his illegitimate status.

Leonardo grew up with his father in Florence, where he started drawing and painting. His early sketches were of such quality that his father soon showed them to the painter Andrea del Verrocchio, who subsequently took on the fourteen-year old Leonardo as an apprentice. In this role, Leonardo also worked with Lorenzo di Credi and Pietro Perugino.

Later, he became an independent painter in Florence.

It is apparent from the works of Leonardo and his early biographers that he was a man of high integrity and very sensitive to moral issues. His respect for life led him to being a vegetarian at least part of his life, and Vasari reports a story that as a young man in Florence he often bought caged birds just to release them. He was also a respected judge on matters of beauty and elegance, particularly in the creation of pageants.

PROFESSIONAL LIFE OF LEONARDO DA VINCI

From around 1482 to 1499, Ludovico Sforza, Duke of Milan, employed Leonardo and permitted him to operate his own workshop complete with apprentices. It was here that seventy tons of bronze that had been set aside for Leonardo's "Gran Cavallo" horse statue were cast into weapons for the Duke in an attempt to save Milan from the French under Charles VIII in 1495.

When the French returned under Louis XII in 1498, Milan fell without a fight, overthrowing Sforza. Leonardo stayed in Milan for a time, until one morning when he found French archers using his life-size clay model of the "Gran Cavallo" for target practice. He left with Salai and his friend Luca Pacioli (the first man to describe double-entry bookkeeping) for Mantua, moving on after 2 months to Venice (where he was hired as a military engineer), then briefly returning to Florence at the end of April 1500.

In Florence he entered the services of Cesare Borgia (also called "Duca Valentino", the son of Pope Alexander VI) as a military architect and engineer with whom he travelled throughout Italy. In 1506 he returned to Milan, now in the hands of Maximilian Sforza after Swiss mercenaries had driven out the French.

From 1513 to 1516, he lived in Rome, where painters like Raphael and Michelangelo were active at the time, though he did not have much contact with these artists. However, he was probably of pivotal importance in the relocation of "David", one of Michelangelo's masterpieces, against the artist's will.

In 1515 Francis I of France retook Milan, and Leonardo was commissioned to make a centrepiece (a mechanical lion) for the peace talks between the French King and Pope Leo X in Bologna, where he must have first met the King. In 1516, he entered Francis' service, being given the use of the manor house Clos Lucé (also called "Cloux") next to the king's residence at the Royal Chateau at Amboise. The King granted Leonardo and his entourage generous pensions: the surviving document lists 1000 écus for the artist, 400 for Melzi (named "apprentice") and 100 for Salai (named "servant"). In 1518 Salai left Leonardo and returned to Milan, where he eventually perished in a duel. Francis became a close friend.

Leonardo da Vinci died at Clos Lucé, France, on 2nd May, 1519. According to his wish, 60 beggars followed his casket. He was buried in the Chapel of Saint-Hubert in the castle of Amboise. Melzi was his principal heir and executor, but Salai was not forgotten: he received half of Leonardo's vineyard.

ART OF LEONARDO DA VINCI

Leonardo is well known for his artistry and paintings, such as Last Supper (Ultima Cena or Cenacolo, in Milan) 1498, and the Mona Lisa (also known as La Gioconda, now at the Louvre in Paris), 1503-1506. Though there is significant debate whether Leonardo himself painted the Mona Lisa, or whether it was the work of his students, it is known that it was probably his favorite piece. He most likely kept it with him at all times, and did not travel without it.

Thousands of people see it each year in the Louvre, perhaps drawing their own interpretation on what is known as the Mona Lisa's most infamous and enigmatic feature - her smile.

Leonardo often planned grandiose paintings with many drawings and sketches, only to leave the projects unfinished. For example, in 1481 he was commissioned to paint the altarpiece "The Adoration of the Magi". After extensive, ambitious plans and many drawings, the painting was left unfinished and Leonardo left for Milan. Only seventeen of his paintings and none of his statues survived.

In Milan he spent 17 years making plans and models for a monumental seven metre (24 ft) high horse statue in bronze called "Gran Cavallo". Because of war with France, the project was never finished.

After returning to Florence, he was commissioned for a large public mural, the "Battle of Anghiari"; his rival Michelangelo was to paint the opposite wall. After producing a fantastic variety of studies in preparation for the work, he left the city, with the mural unfinished due to technical difficulties.

Leonardo pioneered new painting techniques in many of his pieces. One of them, a colour shading technique called "Sfumato", used a series of custom-made glazes by Leonardo. It is characterized by subtle, almost infinitesimal, transitions between color areas, creating a atmospheric haze or smoky effect. "Chiaroscuro" is the technique of modeling and defining forms through contrasts of light and shadow.

SCIENCE AND ENGINEERING

Perhaps even more impressive than his artistic work are his studies in science and engineering, recorded in notebooks comprising some 13,000 pages of notes and drawings, which fuse art and science. These notes were made and maintained through Leonardo's travels through Europe, during which he made continual observations of the world around him. He was left-handed and used mirror writing throughout his life. Explainable by fact that it is easier to pull a quill pen than to push it; by using mirror-writing, the left-handed writer is able to pull the pen from right to left.

His approach to science was an observatory one: he tried to understand a phenomenon by describing and depicting it in utmost detail, and did not emphasize experiments or theoretical explanations. Throughout his life, he planned a grand encyclopedia based on detailed drawings of everything. Since he lacked formal education in Latin and mathematics, contemporary scholars mostly ignored Leonardo the scientist.

As did most people at the time, he believed that the Sun revolved around the Earth, and that the Moon reflects the sun's light due to its being covered by water.

ANATOMY

Leonardo started to discover the anatomy of the human body at the time he was apprenticed to Andrea del Verrocchio, as his teacher insisted that all his pupils learn anatomy. As he became successful as an artist, he was given permission to dissect human corpses at the hospital Santa Maria Nuova in Florence. Later he dissected also in Milano in the hospital Maggiore and in Rome in the hospital Santo Spirito (the first mainland Italian hospital). From 1510 to 1511 he collaborated with the doctor Marcantonio della Torre (1481 to 1511). In 30 years, Leonardo dissected 30 male and female corpses of different ages. Together with Marcantonio, he prepared to publish a theoretical work on anatomy and made more than 200 drawings. However, his book only was published only in 1580 (long after his death) under the heading Treatise on painting.

Leonardo drew many images of the human skeleton, and was the first to describe the double S form of the backbone. He also studied the inclination of pelvis and sacrum and stressed that sacrum was not uniform, but composed of five vertebrae. He was also able to represent exceptionally well the human skull and cross-sections of the brain (transversal, sagittal, and frontal). He drew many images of the lungs, mesentery, urinary tract, sex organs, and even coitus. He was one of the firsts who drew the fetus in the intrauterine position (he wished to learn about "the miracle of pregnancy"). He often drew muscles and tendons of the cervical muscles and of the shoulder. He was a master of topographic anatomy. He not only studied the anatomy of human, but also of other beings. It is important that he was not only interested in structure but also in function, so he was anatomist and physiologist at the same time. Because he actively searched for bodily deformed people to paint them, he is also considered to be the beginner of caricature.

His study of human anatomy led also to the design of the first known robot in recorded history. The design, which has come to be called Leonardo's robot, was probably made around the year 1495 but was rediscovered only in the 1950s. It is not known if an attempt was made to build the device.

INVENTIONS AND ENGINEERING

Fascinated by the phenomenon of flight, Leonardo produced detailed studies of the flight of birds, and plans for several flying machines, including a helicopter powered by four men (which would not have worked since the body of the craft would have rotated) and a light hang-glider which could have flown. On January 3, 1496 he unsuccessfully tested a flying machine he had constructed.

In 1502 Leonardo da Vinci produced a drawing of a single span 720-foot (240 m) bridge as part of a civil engineering project for Sultan Beyazid II of Constantinople. The bridge was intended to span an inlet at the mouth of the Bosphorus known as the Golden Horn. It was never built, but Leonardo's vision was resurrected in 2001 when a smaller bridge based on his design was constructed in Norway.

Owing to his sometime employment as a military engineer, his notebooks also contain several designs for military machines: machine guns, an armored tank powered by humans or horses, cluster bombs, etc. even though he later held war to be the worst of human activities. Other inventions include a submarine, a cog-wheeled device that has been interpreted as the first mechanical calculator, and a car powered by a spring mechanism. In his years in the Vatican, he planned an industrial use of solar power, by employing concave mirrors to heat water.

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