Sir Terry Pratchett, the author of the Discword science-fiction series and a campaigner for assisted suicide, has died at the age of 66. He had been suffering from Alzheimer's disease. His publisher ...
Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Robyn Williams: Terry Pratchett, master of Discworld, wrote vastly amusing books incorporating science.
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