The five-diamond-rated Avenues restaurant at The Peninsula Chicago, 108 E. Superior, welcomed Curtis Duffy as its new chef de cuisine, and marked his arrival April 28 with an exclusive dinner prepared by Duffy for Center on Halsted. Photos of (left) Mike Demetria, Sarah Schmidt and Robert Kohl; and (right) Patrick Sheahan, Peninsula General Manager Maria Zec and the Center’s executive director, Tico Valle, by Mel Ferrand