BILL ROSTENBERG, FAIA, FACHA, an architect specializing in the design and planning of technologically complex healthcare facilities, is a principal in the San Francisco office of Anshen + Allen. He has authored industry standards on medical imaging and ambulatory care and is a contributor and editorial advisor for various medical and architectural journals. He is a frequent instructor at Harvard University Graduate School of Design-Office of Executive Education, Clemson University Architecture + Health Graduate Design Studio, the Radiological Society of North America, The Society for Computer