AFTER GETTING HIS START as a sketch artist on the front lines of the Civil War, depicting camp life and battles in regular dispatches to Harper’s Weekly, Winslow Homer turned his sense of the dramatic to the natural world, capturing light and shadow, wind and waves in the vivid watercolors that helped establish him in the American canon. “He was discovering, pushing, experimenting in a medium that was only beginning to be taken seriously in America,” says Ethan Lasser, co-curator of an exhibition featuring nearly 100 works by Homer that opens this month at the Museum of Fine Arts, Boston. “He did something with these materials, these little powder cakes and water, that no one else has done.”
One of the first institutions to acquire the Boston-born artist’s work, starting in…