Italian Early Renaissance Painter, 1445-1510 Italian painter and draughtsman. In his lifetime he was one of the most esteemed painters in Italy, enjoying the patronage of the leading families of Florence, in particular the Medici and their banking clients. He was summoned to take part in the decoration of the Sistine Chapel in Rome, was highly commended by diplomatic agents to Ludovico Sforza in Milan and Isabella d Este in Mantua and also received enthusiastic praise from the famous mathematician Luca Pacioli and the humanist poet Ugolino Verino. By the time of his death, however, Botticelli s reputation was already waning. He was overshadowed first by the advent of what Vasari called the maniera devota, a new style by Perugino, Francesco Francia and the young Raphael, whose new and humanly affective sentiment, infused atmospheric effects and sweet colourism took Italy by storm; he was then eclipsed with the establishment immediately afterwards of the High Renaissance style, which Vasari called the modern manner, in the paintings of Michelangelo and the mature works of Raphael in the Vatican. From that time his name virtually disappeared until the reassessment of his reputation that gathered momentum in the 1890s   Related Paintings of Sandro Botticelli :. | Details of Primavera-Spring | Madonna of the Rose Garden or Madonna and Child with St john the Baptist (mk36) | Lament fro Christ Dead,with st jerome,St Paul and St Peter (mk36) | Novella di Nastagio degli Onesti | Trinity with Mary Magdalene,St john the Baptist,Tobias and the Angel |
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John Frost
1890-1936
William Morris Davis
February 12, 1850 - February 5, 1934,Davis, who was born in Philadelphia, Pennsylvania, was educated at Harvard. He returned to teach there in 1877 after a period as a meteorologist in Argentina and as an assistant with the North Pacific Survey. He became professor of physical geography in 1890 and of geology in 1898. Davis is acknowledged as the founder of geomorphology, the study of landforms. In his The Rivers and Valleys of Pennsylvania (1889) he first introduced what later became known as the Davisian systems of landscape analysis. His aim was to provide an explanatory description of how landforms change in an ideal situation and his most important contribution to this was his introduction of the cycle of erosion into geographical thought. He proposed a complete cycle of youth, maturity, and old age to describe the evolution of a landscape. In youth rivers occupy steep V-shaped valleys while in old age the valleys are broad. The end product would be a flat featureless plain he called a epeneplaine. This was an ideal cycle but in practice the cycle would invariably be interrupted by Earth movements. It was, nevertheless, strongly attacked by German geographers who objected to it on the grounds that it neglected such vital factors as weathering and climate in transforming the landscape. They also believed him to be undermining their argument that landforms could only be discovered by local fieldwork and the production of regional monographs. Davis also produced an influential work,
diane
comtesse de guiche, known as la belle corisande with her daughter 1580 collection duc de grammont