(b Copenhagen, 1716; d Hannover, 4 March 1776). German painter of Danish birth. He trained with his father, Johann Georg Ziesenis (1681-1748); he became a German citizen in 1743 and subsequently was appointed court painter to Herzog Christian von Pfalz-Zweibrecken in Zweibrecken and, later, Mannheim. In the early 1750s he overcame his technical shortcomings by studying Flemish art, particularly the work of Rubens and van Dyck. He also introduced a new genre, the private court portrait. His portrait of Karl Philipp Theodor, Kurferst von der Pfalz (1757; Munich, Alte Pin.) is original in its intimate view of a nobleman posed at leisure in casual dress, seated in his private study.  Related Paintings of Johann Georg Ziesenis :. | Portrait of Princess Frederika Sophia Wilhelmina | Portrait of Stadholder Willem V | Enkedronning Juliane Marie | State Portrait of Prince William V of Orange | Portrait of Stadholder Willem V |
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Polenov, Vasily
Russian, 1844-1927 He began a systematic study of drawing in 1856, first with the landscape painter Pavel Cherkasov (1834-1900), then from 1859 to 1861 with Pavel Chistyakov (1832-1919). He also took lessons with Chistyakov, whom he considered his most important teacher, in 1871 and early 1872, after finishing his academic course. From 1863 to 1871 Polenov studied at the St Petersburg Academy of Art, where he met members of the progressive wing of the Russian artistic intelligentsia, and occasionally in the faculty of law at St Petersburg University. The classical education he received at home, his academic training and lessons with Chistyakov led Polenov towards an 'exalted' history painting, although he personally inclined towards landscape. This dualism remained in Polenov's work for the duration, and not until the late 1880s and early 1890s did he achieve a stable relationship between the two forms. The whole of his student career and the initial postgraduate, scholarship period was largely taken up with historical works: from academic compositions, for example the Resurrection of Jairus's Daughter (1871; Pskov, Mus. Hist., Archit. & A.), for which he received the Grand Gold Medal and a travel bursary (in Germany and Italy, 1872-3, and France, 1873-6), to numerous pictures and sketches on subjects from antiquity and medieval history, executed in France or shortly after his departure from there, under the perceptible influence of Paul Delaroche
Jacques-Francois Ochard
was a French artist, remembered as the first art teacher of Claude Monet at his high school. Ochard had been a student of Jacques-Louis David (1748-1825), and lived in Normandy, to where Monet's family had moved in 1845. Ochard's method of instruction was the traditional one of drawing from plaster casts of the human figure.
Ercole Roberti
1456-1496 Italian Ercole Roberti Gallery Ercole de' Roberti (c. 1451 ?C 1496), also known as Ercole Ferrarese or Ercole da Ferrara, was an Italian artist of the Early Renaissance and the School of Ferrara. He was profiled in Vasari's Le Vite delle pi?? eccellenti pittori, scultori, ed architettori. The son of the doorkeeper at the Este castle, Ercole later held the position of court artist for the Este family in Ferrara. According to Vasari: By 1473, when he was 17, Ercole had left Ferrara and was working in Bologna in the studio of Francesco del Cossa. (According to Vasari, Ercole also apprenticed under Lorenzo Costa in Bologna, but this seems unlikely as he was Lorenzo's senior by seveal years). He is known to have collaborated in the frescoes of Palazzo Schifanoia. Ercole's first mature works are his contributions to the Griffoni Chapel for the San Petronio Basilica in Bologna: a predella depicting the Miracles of St Vincent Ferrer (c.1473) (now in the Pinacoteca of the Vatican), and lateral pilasters for the altarpiece commissioned from del Cossa. In 1480, Ercole created a large altarpiece with a Madonna and Child Enthroned with Saints for Santa Maria in Porto in Ravenna, which is now in the Brera, Milan. Portraits of Giovanni II Bentivoglio and Ginevra Bentivoglio attributed to Ercole de' Roberti (c. 1480) are in the National Gallery of Art, Washington, D.C. Ercole succeeded Cosm?? Tura as court painter to the Este family in Ferrara around 1486. His role apparently went far beyond making art: he accompanied Alfonso d'Este on a papal visit to Rome, served as wardrobe manager for Isabella d'Este's wedding in Mantua, and may even have made salamis. A painting of Portia and Brutus (c. 1486-90), believed to be painted for Eleonora of Aragon, duchess of Ferrara, is in the Kimbell Art Museum, Fort Worth, Texas. Ercole's painting of Saint Jerome in the Wilderness from this period is in the collection of the J. Paul Getty Museum, Los Angeles.