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Basel, Switzerland (CNN) - A 104-year-old Australian scientist who is set to end his life at a clinic in Switzerland later this week told CNN that his life was no longer worth living and said he hoped his story would lead to the legalization of assisted dying in other countries.
David Goodall, a respected botanist and ecologist, is due to die at the Life Circle clinic in Basel on Thursday, after traveling to Europe from his home town of Perth, Australia earlier this month.