Panel painting uses heated wax as the medium for the pigments. This was replaced before the end of first millennium by tempera, which uses an egg-yolk medium. Using small brushes dipped in a mixture of pigment and egg-yolk, the paint was applied in very small, almost transparent, brushstrokes. Thin layers of paint would be used to create volumetric forms. By the beginning of the 15th century, oil painting was developed. This was more tolerant, and allowed the exceptional detail of Early Netherlandish art. This used a very painstaking multi-layered technique, where the painting, or a particular part of it, had to be
Saadia (given name) forename, and is often just referred to as "Saadia," without further explanation; signing himself 'Sa'id ben Yosef "at the beginning of his career, he went on, in his work 'Sefer haGalouï' to call himself "Saadyahou" (סעדיהו) ; Moses ibn Ezra also uses the form Sa'adel (סעדאל). Saadia (given name) Saadia (, ) is an Arabic, Hebrew and Berber masculine proper name. It is used as a forename and more rarely as a surname. According to some classical rabbinical sources, the name derives from the Hebrew verb Sa'ad (, support), and means "God has supported". According to researchers at the Wissenschaft