[In-person tour] From the Fifth Avenue shopping corridor west, Matt Postal traces the rapid development of this lively commercial area and the ways in which the 1916 zoning resolution shaped midtown’s distinctive character. We’ll view famous retail stores and often unnoticed loft buildings where ready-made mens and womens apparrel was designed, produced and marketed, including stylish structures by the architects Delano & Aldrich, Emery Roth, Ely Jacques Kahn, and Sugarman & Berger.