John Rasko AO is an internationally-acclaimed leader in gene and stem cell therapies. He heads both the Gene and Stem Cell Therapy Program at the Centenary Institute, and Cell & Molecular Therapies at Royal Prince Alfred hospital in Sydney. He frequently appears on radio and television programs to talk about stem cell research, medical tourism, scientific fraud and related matters. John delivered the 2018 Boyer Lecture series for the ABC. Carl Power is a writer in the history of philosophy and medicine. An eternal student and sometimes lecturer, he has explored the concept of life throughout the ages, from the earliest creation myths to the latest fantasies of the post-human future.