James Ensor (1860-1949) produced some of the most unusual paintings of the late 19th and early 20th centuries. Marked by psychological complexity, contradictions, and sheer eccentricity, his works--featuring such bizarre subject matter as dressed-up skeletons and macabre carnival masks--have continued to baffle and intrigue in equal measure. Ensor was born in Ostend, Belgium, and despite his success barely left his home town during his lifetime; his...