Jonas Salk

Jonas Salk was an American virologist and medical researcher who developed the first successful polio vaccine in the 1950s. Born in 1914 in New York City, Salk attended medical school at New York University and later conducted groundbreaking research at the University of Pittsburgh. His development of the polio vaccine in 1955 saved countless lives and led to the eventual eradication of the disease in many parts of the world. Salk's work revolutionized public health and solidified his legacy as one of the most influential medical scientists of the 20th century.