Adam Roberts/ Bryan Roberts/ Emily Thomas

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Born of science fiction, thinking about time travel has allowed us to visit possible and lost worlds, and rediscover the past through modern eyes. It also raises big puzzles: If you travelled back in time and killed your grandfather when he was a young man, would you still exist? Would changing the past mean you returned to a different present? What about travelling to the future? Two philosophers and a science fiction writer discuss time travel, and how thinking and writing about it has changed science and philosophy.

Adam Roberts, Professor of Nineteenth Century Literature, Royal Holloway, University of London
Bryan W. Roberts, Assistant Professor of Philosophy, LSE
Emily Thomas, Lecturer in Philosophy, Durham University

Clare Moriarty, Fellow, The Forum; Doctoral Researcher, King’s College London

Recorded on 5 December 2017
Wolfson Theatre, LSE