Jonas Salk

Why this Chapter exists

The fear that ended on a specific date.

Few contributions in this Unit can be dated to a single announcement. This one can: April 12, 1955, when the verdict on the polio vaccine field trial was read to a packed hall in Ann Arbor, Michigan, and church bells rang across American towns. The man behind it was the eldest son of Russian-Jewish immigrants who never finished high school themselves, the first member of his family to go to college. His story belongs in this Unit both for what he made and for how he carried it: he never patented his vaccine, leaving anyone in the world free to make it (the foundation’s lawyers had doubted a patent was possible at all, a footnote historians add beside the famous answer), and he became, for a generation, the model of what science owed the public.

Before 1955

The polio summers.

Poliomyelitis attacked in warm weather, chose children above all, and struck without pattern: most infections passed unnoticed, but some ended in paralysis or death, and no one could say which child, which town, which summer. The worst recorded American year, 1952, brought nearly 58,000 cases, more than 3,000 deaths, and over 20,000 children left with paralysis; hospital wards filled with iron lungs, the machines that breathed for children whose chest muscles no longer could. Americans of that generation were said to fear polio second only to the atomic bomb. (World Health Organization; the fear comparison is documented in the peer-reviewed literature.)

1947–1955

Pittsburgh, the Pioneers, and the announcement.

Jonas Salk was born in New York City on October 28, 1914, to Daniel and Dora Salk, immigrants from the Russian Empire; he went from City College to medical school and, in 1947, took over a small virus laboratory at the University of Pittsburgh. Against the prevailing scientific fashion, he pursued a killed-virus vaccine: safe by design, because it could not cause the disease it prevented. The March of Dimes, the national polio charity funded by the coins of ordinary families, backed him.

The test of the vaccine was one of the largest field trials in medical history: in 1954, some 1.8 million schoolchildren, remembered as the Polio Pioneers, took part across the country. On April 12, 1955, the trial’s independent evaluator announced the verdict in three words that made front pages worldwide: the vaccine was “safe, effective, and potent.” It was licensed the same day. Vaccination began within weeks. The rollout carried a tragedy that belongs in the record: defective batches from one manufacturer, in what became known as the Cutter incident, caused polio in some vaccinated children and led directly to the modern federal system of vaccine regulation. The campaign continued, and the polio summers began to end; by 1979 the wild virus was gone from the United States entirely. (Salk Institute; CDC.)

April 12, 1955

“Could you patent the sun?”

On the evening of the announcement, Edward R. Murrow interviewed Salk on CBS television and asked who owned the patent on the vaccine. Salk’s answer, preserved on film: “Well, the people, I would say. There is no patent. Could you patent the sun?” The vaccine stayed unpatented, and Salk spent the rest of his career at the research institute he founded in 1960, which still carries his name and his stated ambition to be, in his phrase, a good ancestor. The finish line belongs to two men, not one. Albert Sabin, also the son of Jewish immigrants, from Białystok, in Poland, then part of the Russian Empire, developed the oral vaccine, licensed in the early 1960s, that carried eradication to much of the world; he and Salk were lifelong rivals, and neither patented his vaccine. Salk died in 1995. Since the global eradication campaign began in 1988, wild polio cases worldwide have fallen by more than 99 percent. (The Murrow exchange, documented in the medical literature; WHO.)

Object Spotlight

An empty iron lung.

The object of this Chapter is one that vanished: the iron lung. Rows of them once filled hospital wards each summer, each cylinder holding a child. Museums, including the Smithsonian, preserve them now as artifacts, machines made obsolete by a syringe.

The analytical question

What the refusal teaches.

A public-school kid, the first in his immigrant family to reach college, did the work, gave the result away, and named the principle when asked. Jewish tradition has a phrase, tikkun olam, the repair of the world; how much any tradition explains any one person is a fair classroom debate. He did the work, and he gave it away.

Discussion questions

Working from the evidence.

Classroom Connections

Where this Chapter fits.

Teaching Connections

The disciplines and courses this Chapter naturally supports, for any educator, anywhere.

• US History: the polio era, the March of Dimes as mass philanthropy, and the 1955 announcement as a national event.
• Biology & Public Health: killed-virus versus live-virus vaccines, field trials, and eradication campaigns from 1955 to the present.
• Ethics: the patent refusal, public funding, and who owns publicly financed discoveries.
• Jewish History: the immigrant arc from the Pale of Settlement to the laboratory, completing the Unit’s pattern.
• Media Literacy: the Murrow interview as a primary source preserved on film.

Standards Alignment

• NYS US History & Government: 11.8–11.9 (postwar America, science, and society).
• Common Core ELA-Literacy: RH.9–10.2 (central ideas from primary and secondary sources) and RST.9–10.9 (comparing scientific accounts).

Further Teaching Resources

• Salk Institute, the founder’s biography, from the institution he built.
• WHO, the history of polio vaccination, the global arc from 1955 to near-eradication.
• Eisenhower Presidential Library, the government’s own 1955 documents.