Robert Flynn Johnson is Curator Emeritus of the Achenbach Foundation for Graphic Arts at the Fine Arts Museums of San Francisco, where he served as Curator-in-Charge for thirty-two years (1975-2007). He taught art history at the San Francisco Art Institute (1977-2007). He also taught at the California College of the Arts, Stanford University, University of California, Santa Cruz as well as a connoisseurship course for the Achenbach Graphic Arts Council.