The first Gravity Encounter was with Lord Martin Rees. Martin is the UK’s Astronomer Royal. He is based at Cambridge University where he is a Fellow (and Former Master) of Trinity College. He is a member of the House of Lords, and a former President of the Royal Society. His research interests include space exploration, black holes, galaxy formation, the multiverse and prospects for extraterrestrial life. He is co-founder of the Centre for the Study of Existential Risks at Cambridge University (CSER). In addition to academic publications, research papers he has written many general articles and ten books, most recently ‘On the Future: Prospects for Humanity’.