Wholesale grocer, oil, and real estate investor John Henry Phelan built the Calder Circle Community Center—careful examination reveals that there are indeed quarter-circular curb cuts at the 10th Street–Calder intersection, making it a circle. It is a retail strip, with one-story wings splayed to either side of a diagonally aligned two-story central block capped by a central tower bay. The outspread wings frame a surface parking lot, a spatial arrangement that caused architectural historian Richard Longstreth to note that Calder Circle is an early example of a shopping center that spatially addresses its parking lot rather than, in an older, more urban fashion, the sidewalk and street.