1) Oil painting
2) International Gothic style, and he demonstrated this style painting large scale Illuminations, and miniature ones.
Explanation:
1) Jan Van Eyck was the painter who perfected the technique of oil painting. Like other Gothic masters of the period, Jan Van Eyck highly valued the details and refined lines in his works. His observation was patient, resulting in faithful imitation of the nature portrayed in his paintings. With oil paint, Jan Van Eyck was able to make smooth transitions, work slower and more accurately. After all, he used egg and dried very quickly.
2) Melchior Broederlam painted during the period known as International Gothic, a kind of late gothic style that rise in the Western Europe in the 14th century. The stylistic feature is the rich, decorative and colorful lines, with abundant use of gold. International Gothic has made more rational use of perspective in a way that had not been seen since antiquity. It was a more naturalistic art that stuck to the details while maintaining a strong symbolic character. Broederlam was a refined and subtle painter. His main influence was Jan van Eyck. Its landscapes are spacious and wide, in green and brown tones, which contrast with the figures, dressed in red and blue tones.
