George Inness (1825-94), long considered one of America's greatest landscape painters, has yet to receive his full due from scholars and critics. A complicated artist and thinker, Inness painted stunningly beautiful, evocative views of the American countryside. Less interested in representing the details of a particular place than in rendering the "subjective mystery of nature," Inness believed that capturing the spirit or essence of a natural scene could point to a reality beyond the physical or, as Inness put it, "the reality of the unseen."
Throughout his career, Inness struggled to...