Georges Seurat was an important French artist best known as the creator of Pointillism. He employed dots of complementary colors next to one another to create vibrating scenes from everyday life. The artist’s most iconic work is A Sunday Afternoon on the Island of La Grande Jatte (1884–1886), a large-scale painting portraying the bourgeoisie having a leisurely day by the river. “Harmony is the analogy of contrary and similar elements of tone, of color, and of line, conditioned by the dominant key, and under the influence of a particular light, in gay, calm, or sad combinations,” Seurat once explained. Born on December 2, 1859 in Paris, France, Seurat first pursued art at the École des Beaux-Arts where...