104-year-old Australian academic, David Goodall will end his life through voluntary euthanasia in Switzerland today.

Mr Goodall who has no hesitation in ending his life, spoke to international media saying, “At my age, or less, one wants to be free to choose to die when it is an appropriate time.”

Voluntary euthanasia is not legal in Australia and while Mr Goodall believes he has nothing more to contribute to society, his final contribution has been to put increased attention on voluntary euthanasia saying "I certainly hope my story will increase the pressure for people to have a more liberal view on the subject [of voluntary euthanasia].