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Friedrich Julius Rosenbach, also known as Anton Julius Friedrich Rosenbach, (16 December 1842 – 6 December 1923) was a German physician and microbiologist. He is credited for differentiating Staphylococcus aureus and Staphylococcus albus, which is now called Staphylococcus epidermidis, in 1884.
Leonardo di ser Piero da Vinci [b] (15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. [3] While his fame initially rested on his achievements as a painter, he has also become known for his notebooks, in which he made ...
- Studio of Andrea del Verrocchio
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During the Renaissance, the study of art and science was not perceived as mutually exclusive; on the contrary, the one was seen as informing upon the other. Although Leonardo's training was primarily as an artist, it was largely through his scientific approach to the art of painting, and his development of a style that coupled his scientific knowle...
Leonardo kept a series of journals in which he wrote almost daily, as well as separate notes and sheets of observations, comments and plans. He wrote and drew with his left hand, and most of his writing is in mirror script, which makes it difficult to read. Much has survived to illustrate Leonardo's studies, discoveries and inventions. On his death...
Leonardo illustrated a book on mathematical proportion in art written by his friend Luca Pacioli and called De divina proportione, published in 1509. He was also preparing a major treatise on his scientific observations and mechanical inventions. It was to be divided into a number of sections or "Books", Leonardo leaving some instructions as to how...
Light
Leonardo wrote: For an artist working in the 15th century, some study of the nature of light was essential. It was by the effective painting of light falling on a surface that modelling, or a three-dimensional appearance was to be achieved in a two-dimensional medium. It was also well understood by artists like Leonardo's teacher, Verrocchio, that an appearance of space and distance could be achieved in a background landscape by painting in tones that were less in contrast and colors that wer...
Human anatomy
Leonardo wrote:
Comparative anatomy
Leonardo not only studied human anatomy, but the anatomy of many other animals as well. He dissected cows, birds, monkeys and frogs, comparing in his drawings their anatomical structure with that of humans. On one page of his journal Leonardo drew five profile studies of a horse with its teeth bared in anger and, for comparison, a snarling lion and a snarling man. In the early 1490s Leonardo was commissioned to create a monument in honour of Francesco Sforza. In his notebooks are a series of...
Perspective
During the early 15th century, both Brunelleschi and Alberti made studies of linear perspective. In 1436 Alberti published De pictura ("On Painting"), which includes his findings on linear perspective. Piero della Francescacarried his work forward and by the 1470s a number of artists were able to produce works of art that demonstrated a full understanding of the principles of linear perspective. Leonardo studied linear perspective and employed it in his earlier paintings. His use of perspecti...
Geometry
While in Milan in 1496, Leonardo met a traveling monk and academic, Luca Pacioli. Under him, Leonardo studied mathematics. Pacioli, who first codified and recorded the double entry system of bookkeeping, had already published a major treatise on mathematical knowledge, collaborated with Leonardo in the production of a book called De divina proportione about mathematical and artistic proportion. Leonardo prepared a series of drawings of regular solids in a skeletal form to be engraved as plate...
Anamorphosis
Leonardo was the author of some of the earliest known examples of pictorial anamorphosis identified and studied.Anamorphosis is a type of optical artifice in which images are represented with altered proportions, and are recognizable only when the image is observed from a specific vantage point or using distorting instruments. A notable example in painting is The Ambassadors (1533) by Hans Holbein the Younger. One of the instruments used by Leonardo for his research on anamorphosis was the to...
In the late 20th century, interest in Leonardo's inventions escalated. There have been many projects which have sought to turn diagrams on paper into working models. One of the factors is the awareness that, although in the 15th and 16th centuries Leonardo had available a limited range of materials, modern technological advancements have made avail...
Leonardo da Vinci: Tool for the angle of contingency reconstructed from the Codex AtlanticusWalking on waterA water powered gyroscopic compassModel of a Leonardo bridgeModel of Leonardo's parachuteModel after Leonardo's design for the Golden Horn BridgeLeonardo da Vinci Gallery at Museo Nazionale Scienza e Tecnologia Leonardo da Vinciin Milan; permanent exhibition, the biggest collection of Leonardo's projects and inventions.Models of Leonardo's designs are on permanent display at Clos Lucé.The Victoria and Albert Museum, London, held an exhibition called "Leonardo da Vinci: Experience, Experiment, and Design" in 2006Logitech MuseumThe U.S. Public Broadcasting Service (PBS), aired in October 2005, a television programme called Leonardo's Dream Machines, about the building and successful flight of a glider based upon Leonardo'...The Discovery Channel began a series called Doing DaVinciin April 2009, in which a team of builders try to construct various inventions of Leonardo based on his designs.5 days ago · Born: April 15, 1452, Anchiano, near Vinci, Republic of Florence [Italy] Died: May 2, 1519, Cloux [now Clos-Lucé], France (aged 67) Notable Works: “Battle of Anghiari” “Last Supper” “Leda” “Mona Lisa” “Portrait of Ginevra de’ Benci” “St. Jerome” “The Benois Madonna” “The Virgin of the Rocks” “Treatise on Painting” “Virgin and Child with St. Anne”
- Ludwig Heinrich Heydenreich
Sep 7, 2020 · Leonardo da Vinci (1452-1519) was an Italian Renaissance artist, architect, engineer, and scientist. He is renowned for his ability to observe and capture nature, scientific phenomena, and human emotions in all media .
- Mark Cartwright
October 2002. Leonardo da Vinci (1452–1519) is one of the most intriguing personalities in the history of Western art. Trained in Florence as a painter and sculptor in the workshop of Andrea del Verrocchio (1435–1488), Leonardo is also celebrated for his scientific contributions. His curiosity and insatiable hunger for knowledge never left him.
Leonardo Da Vinci (15 April 1452 – 2 May 1519) was an Italian polymath who lived during the Renaissance. He is famous for his paintings. [1] He was also a scientist, mathematician, engineer, inventor, anatomist, sculptor, architect, botanist, musician, and writer.
