Australian, 104, sings cheerily on eve of assisted suicide

Philip Nitschke, founder and director of the pro-euthanasia group Exit International, 104-year-old Australian scientist David Goodall and lawyer Moritz Gall, from left, attenda press conference a day before Goodall's assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)
Philip Nitschke, founder and director of the pro-euthanasia group Exit International, 104-year-old Australian scientist David Goodall and lawyer Moritz Gall, back from left, attenda press conference a day before Goodall's assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)
104-year-old Australian scientist David Goodall speaks during a press conference a day before his assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)
104-year-old Australian scientist David Goodall leaves a press conference a day before his assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)

Australian, 104, sings cheerily on eve of assisted suicide

Philip Nitschke, founder and director of the pro-euthanasia group Exit International, 104-year-old Australian scientist David Goodall and lawyer Moritz Gall, from left, attenda press conference a day before Goodall's assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)
Philip Nitschke, founder and director of the pro-euthanasia group Exit International, 104-year-old Australian scientist David Goodall and lawyer Moritz Gall, back from left, attenda press conference a day before Goodall's assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)
104-year-old Australian scientist David Goodall speaks during a press conference a day before his assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)
104-year-old Australian scientist David Goodall leaves a press conference a day before his assisted suicide in Basel, Switzerland, on Wednesday, May 9, 2018. (Georgios Kefalas/Keystone via AP)