2. Why were the Van Eycks called the "fathers of oil painting"?

The Father of Oil Painting. Jan Van Eyck is the Flemish painter often credited as the first master, or even the inventor of oil painting. His use of oil paints in his detailed panel paintings, typical of the Netherlandish style, resulted in him being known as the father of oil painting. Hope this helps.

Explanation:

-has naturalistic color-has neutral colors-has color harmony-has variations of colors with shading and reflections(charing cross bridge by andré derain; the copper drinking fountain by jean-baptiste-siméon chardin)the copper drinking fountain by jean-baptiste-siméon chardinchardin and derain used color differently in these paintings.which painting has these characteristics? -has fauve color-has monochromatic colors-has intense, unnatural color-has pure color with no shading(charing cross bridge by andré derain; the copper drinking fountain by jean-baptiste-siméon chardin)charing cross bridge by andré derain