Art: Mystery Story

The majority of people like Saturday Evening Post covers. Some prefer Picasso. But almost everybody can usually agree on Pieter Bruegel, the 16th-Century painter of romping, roughhousing Flemish peasants.

Not even scholars, however, agree on some of Bruegel's details. The matter of the bridegroom in Bruegel's Rustic Wedding (see cut), for instance, has long been a matter of high dispute. Which is he? Viennese Scholar Gustav Glük pointed to the glutton seated halfway down the table with the spoon in his mouth, perhaps because he is the only man looking straight out of the...