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.