The Life of Jonas Salk By wilkennedy Oct 28, 1914 Jonas Salk is born Period: Oct 28, 1914 to Apr 12, 1955 Polio is a threat Jan 1, 1939 Jonas Salk atends New York University School of Medicine Jan 1, 1952 Worst outbreak of polio in the U.S. Apr 12, 1955 Jonas Salk announces the polio vaccine Period: Apr 13, 1955 to Jun 23, 1995 Eradication of polio begins Jun 23, 1995 Jonas Salk passes away
