Harvey J. Alter

Harvey James Alter (born September 12, 1935) is an American medical researcher, virologist, and physician. He is best known for his work that led to the discovery of the hepatitis C virus. 
Alter is the chief of the infectious disease section and the associate director for research of the Department of Transfusion Medicine at the Warren Grant Magnuson Clinical Center in the National Institutes of Health (NIH). 
He won Nobel Prize in Physiology or Medicine in 2020, together with Michael Houghton and Charles M. Rice,