At pivotal moments in his career, Claude Monet would go out with a fellow artist, plant his easel beside his friend’s, and paint the same scene. Examining paintings made side by side, Harmon Siegel, a junior fellow at Harvard University, shows how Monet explored challenging questions in concrete, practical ways while painting alongside his teachers, Eugène Boudin and Johan Barthold Jongkind; his friends Frédéric Bazille and Renoir; and his hero, Édouard Manet. (World Art History Certificate elective, 1/2 credit)