Central » Des Moines » Des Moines, Northwest » Iowa » Olmsted Center Olmsted Center Details 1974, Harry Weese and Associates Large circular windows, angled corners, and angled cut-ins add to the complexity of this building. Its brick walls are in part lifted off the ground by rows of piers; on the roof a metal-and-glass monitor unit goes from one end to the other. Writing Credits Author: David Gebhard and Gerald Mansheim