Insulin Belongs to the World: How Banting Rejected Millions to Save Lives for $1

One man. One dollar. Millions of lives saved.

In 1923, Sir Frederick Banting made a decision that would reshape medicine forever. After discovering insulin—a life-saving treatment for diabetes—he sold the patent to the University of Toronto for just $1.

Not millions. Not thousands. One dollar.

Why? Because Banting believed that medicine should never be held hostage by profit. His famous words still echo today: "Insulin does not belong to me, it belongs to the world."

The Problem Before Insulin
Before 1921, a diagnosis of diabetes was a death sentence. Children wasted away in hospital wards, their bodies unable to process sugar. The only "treatment" was starvation—a cruel, slow death that bought patients a few extra months at most.
Parents watched their children fade away with no hope in sight.
Then came Banting.

The Discovery
Frederick Banting, a young surgeon from Ontario, Canada, had a radical idea. He believed that the pancreas produced an internal secretion that regulated blood sugar. With the help of his assistant Charles Best and the support of Professor John Macleod and biochemist James Collip, Banting isolated insulin—the hormone that diabetics desperately needed.

On January 23, 1922, insulin was injected into a dying 14-year-old boy named Leonard Thompson. Within hours, his blood sugar dropped. Within days, he was sitting up, eating, and smiling. The world had its first miracle.

The $1 Decision
Banting could have become one of the richest men in history. Pharmaceutical companies were desperate to get their hands on the insulin patent. They offered fortunes. But Banting refused.

He and his colleagues sold the patent to the University of Toronto for—you guessed it—one single dollar.
Banting famously said: "Insulin belongs to the world, not to me."

His condition? That insulin be made available to anyone who needed it, without price gouging or exploitation.

The Impact
Because of Banting's selflessness, insulin was mass-produced and distributed within months. It reached hospitals, pharmacies, and homes across the globe. Millions of diabetics who would have died as children grew up to live full, healthy lives.

Parents no longer had to bury their children. Patients no longer had to starve.

To this day, every vial of insulin owes its existence to Banting's refusal to profit from suffering.

The Irony
Here's the painful part. While Banting sold his patent for $1, modern pharmaceutical companies have turned insulin into a billion-dollar industry. Today, some diabetics in the United States pay hundreds—sometimes thousands—of dollars per month for the same life-saving drug that Banting gave away for free.

He would be horrified.

But his legacy remains. Banting's choice reminds us what medicine should truly be about: people, not profits. Compassion, not corporate greed.

Why This Story Matters Today
We live in an era of expensive prescriptions, healthcare debates, and pharmaceutical monopolies. Banting's story cuts through the noise.