Botticelli is responsible for this Venus. Though Titian did render the Venus of Urbino, it is very different from Botticielli's. The other artists were patronized by the Medici, but not for this piece.

Image: The Birth of Venus by Sandro Botticelli (c. 1480–1490). From https://commons.wikimedia.org/wiki/File%3ASandro_Botticelli_-_La_nascita_di_Venere_-_Google_Art_Project_-_edited.jpg.

The Madonna and Child with Two Angels by Fra Filippo Lippi is highly representative of Early Italian Renaissance art. While displaying a typical medieval subject, the Virgin Mary with the Christ child, its composition, tone, and perspective set it apart from the Gothic and Romanesque traditions. Lippi has a playful angel holding the Christ child, while the Madonna is set on what looks like a frame, creating more visual interest than typical Gothic art.

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The Italian Renaissance brought about brand new ideals in art regarding composition, form, and perspective, as well as creating new ideologies about art. In the middle sixteenth century, a development of Renaissance art called Mannerism began, which favored all of these notions of perfection to a perhaps absurd extent. This work, Jacopo da Pontormo’s Entombment of Christ, has figures posed in such an elegant manner that they are almost unrealistic and utilizes extremely bright colors, both hallmarks of Mannerism.

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The Entombment of Christ is highly emblematic of Mannerism, a specific artistic movement popular in the Later Italian Renaissance of the early 16th century, featuring figures posed in elaborate manners and a vivid color palette. While Titian was not strictly a mannerist, his work, including the Venus of Urbino, shares many similarities with many mannerist works. The similarity between the two works is noticeable even though one is a scene from the Christian Gospels and another depicts a Roman goddess.

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DaVinci even dissected human cadavers in his efforts to understand accurately the human form. His drawings and paintings reflect great attention to reproduction of reality, as seen in his quote. Matisse was a Fauve, Renoir, an Impressionist, and Parmigianino was a Mannerist, whose elongated body features depart from strict realism.

The Last Supper is considered a work of Renaissance art. It dates back to 1498 CE.

Image is in the public domain, accessed through Wikipedia Media Commons: https://en.wikipedia.org/wiki/The_Last_Supper_(Leonardo_da_Vinci)#/media/File:%C3%9Altima_Cena_-_Da_Vinci_5.jpg

Vermeer can be identified by his use of realism, especially with respect to light, shading, and perspective.

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This painting is considered a work of the Renaissance period, as it was painted in 1538.  This period came before Post-Modernism and the Baroque period, and was before the Medieval period. Mannerism was a specific style within the Renaissance period, but this is not an example of a painting that has mannerist features -this particular style was characterized by distorted figures and colors and unusual compositions.

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This painting is called the Venus of Urbino. Although it is titled "Venus," it is not certain whether or not the woman depicted is actually intended to be the goddess Venus (and, in fact, likely was not -- is believed that the woman depicted could be a courtesan). The title was likely given long after the painting was finished, and the woman was likely named Venus to legitimize the depiction of a nude woman during a time period where it may have been frowned upon to depict generic nudes.

Image is in the public domain, accessed through Wikipedia Media Commons: https://upload.wikimedia.org/wikipedia/commons/b/bb/Tiziano_-_Venere_di_Urbino_-_Google_Art_Project.jpg

Titian painted Venus of Urbino. He was a renowned artist of the Renaissance period. This particular painting was commissioned by patron Guildobaldo della Rovere of Urbino. Michelangelo, Da Vinci and Raphael are also renowned artists of the Renaissance period, and Bruneschelli is an early Renaissance architect.

Image is in the public domain, accessed through Wikipedia Media Commons: https://upload.wikimedia.org/wikipedia/commons/b/bb/Tiziano_-_Venere_di_Urbino_-_Google_Art_Project.jpg