The invention of the CT scanner

Witness History

In 1971, the CT scanner was invented by South African physicist Allan Cormack and British engineer Sir Godfrey Hounsfield.

It was a ground-breaking moment in modern medicine and they're now in almost every hospital around the world.

Rachel Naylor speaks to Allan's son, Robert Cormack.

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(Photo: A patient receiving a CT scan in 1977. Credit: Getty Images)