Final answer:
Johannes Vermeer mastered the technique of collage for light source framing in his paintings.
Step-by-step explanation:
The Dutch artist, Johannes Vermeer, is known for mastering the technique of collage as a light source framing in his paintings. Vermeer used complex layers of paint to achieve the pearly light that envelops his subjects. His expertise in collage allowed him to create a sense of depth and dimension in his compositions.