104-year-old scientist, David Goodall, ends life in Switzerland after "right-to-die" campaign Australian scientist David Goodall traveled to Switzerland to end his life at the age of 104 because of the liberal assisted suicide laws there. He had no terminal illness but felt his quality of life was declining. Dr. Nancy Preston, senior lecturer in the International Observatory on End of Life Care at Lancaster University, joins CBSN to discuss the issues raised by his case.