Given statement is True. Robert Campin who is identified as Master of Flemalle was the first great painter of early Flemish and Early Netherlandish paintings. He was a painter of late 14th century. He was the first painter who showed more realistic observation powers.Campin used to paint more rounded characters by modeling light and shades, which gave his painting more sense of perspective and space.
Some characteristics include being more artificial, with exaggerated proportions, and distorted perspectives. Mannerism took influences from the high renaissance period.