Dan-Ning Hu, MD. Ophthalmologist and Cell Biologist. Research Professor of Ophthalmology, New York Medical College; Director, Tissue Culture Center, New York Eye and Ear Infirmary. Honor Professor and Visiting Professor of 9 different Universities. Consultant of several major pharmaceutical companies (Pfizer, Merck, Allergan, Pharmacia/Upjohn, AstraZeneica, etc.). Published more than 300 papers in various peer-reviewed journals. Major contributions include: Development of methodology for cultivation and study of ocular melanocytes and iris pigment epithelial cell; demonstration of the nature of mitochondrial inherited antibiotic induced deafness; study of epidemiology of uveal melanoma; development of transplantation of cultured autologous melanocyte for the treatment of vitiligo.