Answer:
Georges Seurat - Seurat
Explanation:
Georges Seurat - Seurat was the founder of Pointillism. He studied the science of colors and optics to invent this new technique. Paul Signac - Signac was the other founding father of Pointillism.
The type of evidence that Schlosser uses in this excerpt is anecdotal. By definition, anecdotal evidence is based on stories that may or may not be true but due to lack of hard facts. They are usually based on personal stories. In this case, there is no proof that things mentioned in the excerpt happened the way that they were described.