Dr. Schmid was a former dean of the University of California, San Francisco School of Medicine and a liver specialist whose early studies of porphyrins led to several significant fundamental discoveries. He was the first to demonstrate that there were different forms of porphyria. He also developed the f irst experimental model for hepatic porphyria, a model that for many years was used for Dr. Schmid was a former dean of the University of California, San Francisco School of Medicine and a liver specialist whose early studies of porphyrins led to several significant fundamental discoveries. He was the first to demonstrate that there were different forms of porphyria. He also developed the f irst experimental model for hepatic porphyria, a model that for many years was used for