Baron Omar Rolf von Ehrenfels
Baron Omar Rolf von Ehrenfels (born 28 April 1901 in Prague - died 7 February 1980 in Neckargemünd, Heidelberg, Germany) was a prominent Muslim of Austrian origin.
Christian Wilhelm Ernst Dietrich
He was born at Weimar, where he was brought up early to the profession of art by his father Johann Georg, then painter of miniatures to the court of the duke. Dietrich's sister was painter Maria Dorothea Dietrich.
Having been sent to Dresden to perfect himself under the care of Johann Alexander Thiele, he had the good fortune to finish in two hours, at the age of eighteen, a picture which attracted the attention of the king of Saxony. Augustus II was so pleased with Dietrich's readiness of hand that he gave him means to study abroad, and visit in succession the chief cities of Italy and the Netherlands. There he learned to copy and to imitate masters of the previous century with a versatility that was truly surprising. Johann Joachim Winckelmann, to whom he had been recommended, did not hesitate to call him the Raphael of landscape. Yet in this branch of his practice he merely imitated Salvator Rosa and Allaert van Everdingen.