A 45-minutes discussion with the director of the Carnegie Observatories about his journey as an astronomy, the state of research, new technologies and the development of the Giant Magellan Telescope at Las Campanas, Chile. John is renowned for his research on dark matter in galaxy groups. As observatory director he has spearheaded outreach programs for astronomy lovers and aspiring astronomers young and old. Check the links below for a video version of this episode and links to the GMT and Carnegie websites. Hope you enjoy the conversation! https://www.youtube.com/watch?v=cQJrlHrDP1M&t=5s https://giantmagellan.org/ https://carnegiescience.edu/ Support the Show.