Henry S. Rosenthal stands beside the hand-painted curtain to his Two-Headed Calf MOOseum in San Francisco with an impish smile on his face. In the background, the low, guttural sounds of mooing emerge on a hidden speaker. On the wall hangs an image of the gestational cycle of polycephaly in cows. A former musician—Rosenthal helped initiate West Coast punk in 1977 as a drummer in the band Crime—he is no stranger to showmanship.“This is where it all begins,” he says, his voice taking on the tone of a carnival barker…
