Downtown in Indianapolis in Marion County, Indiana — The American Midwest (Great Lakes)
Jonas Salk
(October 28, 1914 - June 23, 1995)
Jonas Salk was one of three sons born to Russian immigrants in New York City. Salk was the first person in his family to graduate from college and medical school. Salk spent most of his career as a microbiologist. His most noteworthy achievement was his creation of a vaccine to eradicate polio. Salk earned even more respect when he refused to patent the vaccine to profit from the discovery. He insisted he only wished to see it distributed as widely as possible. Later in his life, Salk focused on developing an AIDS vaccine and traveled across the world promoting world peace.
1938
During medical school, Salk began a year-long internship working on an influenza vaccine.
1939
Salk received his medical degree from New York University and joined Mount Sinai as a staff physician.
1942
Salk accepted a research fellowship in epidemiology, the study of diseases in large populations, at the University of Michigan's School of Public Health.
1947
Salk was appointed director of the Virus Research Laboratory at the University of Pittsburgh School of Medicine and spent the next eight years of his work focused solely on eradicating polio.
Watershed Moment
1952
In 1952, Dr. Jonas Salk developed the first effective vaccine for poliomyelitis. On April 12, 1955, Salk became an international hero when he announced a lengthy field trial involving nearly 2 million children including Salk, his wife and their children proved his vaccine was effective. Within two years, 100 million vaccines were given across the world and polio was eradicated from every country that used the vaccine.
1963
He established the Salk Institute for Biological Studies in La Jolla, California, funded in part by the March of Dimes.
1977
President Jimmy Carter awarded Salk with the Presidential Medal of Freedom, the highest civil award, for his work on the polio vaccine.
Erected by Cultural Trail Indianapolis.
Topics and series. This historical marker is listed in these topic lists: Charity & Public Work • Education • Science & Medicine. In addition, it is included in the Former U.S. Presidents: #39 James Earl "Jimmy" Carter, Jr., and the Indiana, Cultural Trail Indianapolis series lists. A significant historical date for this entry is April 12, 1955.
Location. 39° 46.612′ N, 86° 9.656′ W.
Regionally, this marker is in Central Indiana. It is also in the American Midwest and in the Corn Belt. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the territory of the Mississippian Culture and also the Northwest Territory.
Other nearby markers. At least 8 other markers are within walking distance of this marker: Franklin & Eleanor Roosevelt (a few steps from this marker); Albert Einstein (within shouting distance of this marker); Wilbur and Orville Wright (within shouting distance of this marker); Andrew Carnegie (about 300 feet away, measured in a direct line); Booker T. Washington (about 500 feet away); Thomas Edison (about 500 feet away); Mark Twain (about 600 feet away); Susan B. Anthony (about 700 feet away). Touch for a list and map of all markers in Indianapolis.
Credits. This page was last revised on June 18, 2025. It was originally submitted on April 27, 2019, by Devry Becker Jones of Washington, District of Columbia. This page has been viewed 417 times since then and 19 times this year. Last updated on June 18, 2025, by John D Grabenstein of Easton, Maryland. Photos: 1, 2. submitted on April 27, 2019, by Devry Becker Jones of Washington, District of Columbia.

