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Abraham Leon Kornzweig, (September 18, 1900 – June 20, 1982), born in New York, a physician and ophthalmologist specializing in geriatric ophthalmology. He opened a new field in investigative medicine, and founded the Society of Geriatric Ophthalmology. He was also widely known as the co-discoverer and namer of Bassen-Kornzweig Syndrome, also called Abetalipoproteinemia. It was first noted by the United States physician Frank Bassen, who partnered with Kornzweig to identify and describe causes and symptoms of the disease.