Alfred Sommer is an american ophthalmologist and epidemiologist at the Johns Hopkins Bloomerg School of Public Health. He was born in New York in 1942 and he is known as the scientist who discovered the Night-blindness illness and it's cure. Moreover, the World Bank and the Copenhagen Consensus list vitamin A supplementation as one of the most cost-effective health interventions in the world
Alfred Sommer is an american ophthalmologist and epidemiologist at the Johns Hopkins Bloomerg School of Public Health. He was born in New York in 1942 and he is known as the scientist who discovered the Night-blindness illness and it's cure. Moreover, the World Bank and the Copenhagen Consensus list vitamin A supplementation as one of the most cost-effective health interventions in the world