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British neurologist Oliver Sacks dies at the age 82

30 August 2015 Last updated at 23:37 BST

British neurologist Oliver Sacks has died of cancer at the age of 82.

He was best known for his work examining the quirks of the human brain.

His book Awakenings, about patients with chronic sleeping sickness, inspired a play by Harold Pinter and an Oscar-nominated film.

David Sillito reports.