Gail Roberta Martin (née Zuckman) is a professor emerita in the Department of Anatomy, University of California, San Francisco. She is known for her pioneering work on the isolation of pluripotent stem cells from normal embryos, for which she coined the term ‘embryonic stem cells’. She is also widely recognized for her work on the function of Fibroblast Growth Factors (FGFs) and their negative regulators in vertebrate organogenesis.