Philip Haig Nitschke (born 8 August 1947) is an Australian humanist, writer and former medical doctor. He is the founder and director of the pro-euthanasia group Exit International. He supported and campaigned for legal euthanasia in the Northern Territory. There, he assisted four people ending their lives while it was legal. Later, the Government of Australia made it against the law again. He is the author of the books Killing Me Softly: Voluntary Euthanasia and the Road to the Peaceful Pill (2005) and The Peaceful Pill Handbook (2006). He has been called "Dr Death" by the media.
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- "Euthanasia machine, Australia, 1995–1996". Brought to Life. Science Museum. Retrieved 7 April 2019.
- Medew, Julia (15 April 2015). "Australia's 'Dr Death' Philip Nitschke fears arrest in Britain". The Sydney Morning Herald. Retrieved 7 April 2019.
- "Philip Nitschke". Exit International. Retrieved 7 April 2019.