# 236 | Thomas Hertog on Quantum Cosmology and Hawking's Final Theory

An episode of [Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas](https://invisiblenetwork.ai/podcast/1406534739), 15 May 2023, 1 h 09 min.

Audio: https://dts.podtrac.com/redirect.mp3/pscrb.fm/rss/p/traffic.libsyn.com/secure/1d1ac211-8392-45fe-82db-99fa7f77076e/thomas20hertog.mp3?dest-id=5264190

Is there a multiverse, and if so, how should we think of ourselves within it? In many modern cosmological models, the universe includes more than one realm, with possibly different laws of physics, and these realms may or may not include intelligent observers. There is a longstanding puzzle about how, in such a scenario, we should calculate what we, as presumably intelligent observers ourselves, should expect to see. Today's guest, Thomas Hertog, is a physicist and longstanding collaborator of Stephen Hawking. They worked together (often with James Hartle) to address these questions, and the work is still ongoing. Support Mindscape on Patreon. Thomas Hertog received his Ph.D. in physics from the University of Cambridge. He is currently a professor of theoretical physics at KU Leuven. His new book is On the Origin of Time: Stephen Hawking's Final Theory. • KU Leuven web page • Wikipedia • Google Scholar publications

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