Jonas Salk

Jonas Salk
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Name	Jonas Salk
Caption	Salk at the University of Michigan, 1955
Birth date	28 October 1914
Birth place	New York City, U.S.
Death date	23 June 1995
Death place	La Jolla, California, U.S.
Education	City College of New York (BS), New York University School of Medicine (MD)
Known for	First successful polio vaccine
Spouse	Donna Lindsay (m. 1939; div. 1968), Françoise Gilot (m. 1970)
Field	Medical research, Virology
Workplaces	University of Pittsburgh, Salk Institute for Biological Studies
Prizes	Lasker Award (1956), Congressional Gold Medal (1955), Presidential Medal of Freedom (1977)

Jonas Salk was an American virologist and medical researcher who developed the first safe and effective polio vaccine. His work, culminating in a massive national field trial in 1954 and public announcement of success in 1955, is considered one of the most significant achievements in modern medicine. He later founded the Salk Institute for Biological Studies, a world-renowned center for scientific research, and spent his later years pursuing a vaccine for HIV/AIDS.

Early life and education

Born in New York City to Ashkenazi Jewish immigrant parents, he showed early academic promise. He earned his undergraduate degree in science from the City College of New York before attending medical school at New York University School of Medicine. During his medical studies, he was influenced by his work in the laboratory of Thomas Francis Jr., a prominent epidemiologist. This experience steered him away from clinical practice and toward a career in research, leading him to a fellowship in virology at the University of Michigan.

Polio vaccine

In 1947, Salk moved to the University of Pittsburgh School of Medicine, where he began his pivotal work on poliomyelitis. Funded largely by the National Foundation for Infantile Paralysis, the charity founded by President Franklin D. Roosevelt, he led a large research team. Contrary to prevailing scientific thought, he pursued a vaccine using "killed" or inactivated virus, believing it would be safer than a live-virus vaccine. After successful tests on laboratory animals and himself, his family, and other volunteers, the Francis Field Trial—organized by his former mentor Thomas Francis Jr.—was launched in 1954, involving nearly two million American children. The announcement of the vaccine's success on April 12, 1955, at the University of Michigan was a national event, hailed as a victory over a dreaded disease.

Later research and Salk Institute

Following the global triumph of the polio vaccine, Salk sought to create an independent environment for interdisciplinary scientific inquiry. With the support of the March of Dimes and a land grant from the city of San Diego, he established the Salk Institute for Biological Studies in La Jolla, California, which opened in 1963. The institute's iconic architecture was designed by Louis Kahn. There, Salk shifted his focus to other challenges, including research on multiple sclerosis and cancer. In his final decades, he dedicated significant effort to developing a vaccine against HIV/AIDS, collaborating with researchers at institutions like the National Institutes of Health.

Personal life and legacy

Salk was married first to social worker Donna Lindsay, with whom he had three sons, and later to artist Françoise Gilot, former partner of Pablo Picasso. He was a noted humanist who wrote several books, including Man Unfolding. His decision not to patent the polio vaccine, forgoing immense personal wealth, was rooted in his belief that the vaccine belonged to the people. His legacy is defined by the near-eradication of polio in most of the world and the enduring scientific excellence of the Salk Institute, which continues to host Nobel laureates like Francis Crick and Sydney Brenner.

Awards and honors

Salk received numerous accolades for his contributions to public health. In 1955, he was awarded the Congressional Gold Medal, and the following year he received the Lasker Award. He was also a recipient of the Presidential Medal of Freedom, awarded by President Jimmy Carter in 1977. He was elected to the American Philosophical Society and the American Academy of Arts and Sciences. Although he was never awarded the Nobel Prize, a fact often noted in scientific circles, many institutions bear his name, including the Jonas Salk High-Tech Academy and the Salk Hall complex at the University of Pittsburgh.

Category:American virologists Category:1914 births Category:1995 deaths