Norman Barker is an Associate Professor of Pathology and Art as Applied to Medicine at the Johns Hopkins University School of Medicine. He specializes in photomicroscopy and macro photography. Christine Iacobuzio-Donahue is a Professor of Pathology, Oncology, and Surgery at the Johns Hopkins Hospital. She is the principal investigator of an NIH-funded laboratory focused on molecular genetics of gastrointestinal cancers.

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