Carlo Rovelli and Oliver Burkeman

Carlo Rovelli is a theoretical physicist who has made significant contributions to the physics of space and time. His books Seven Brief Lessons on Physics, Reality is Not What it Seems and The Order of Time are international bestsellers which have been translated into 43 languages and have sold over 2 million copies worldwide in all formats. Rovelli is currently working in Canada and also directing the quantum gravity research group of the Centre de Physique Théorique in Marseille, France.

Oliver Burkeman is the author of The Antidote: Happiness for People Who Can't Stand Positive Thinking and for many years wrote a popular weekly column on psychology for the Guardian, 'This Column Will Change Your Life'. His work has also appeared in the New York Times, Wall Street Journal, Psychologies and New Philosopher. He has a devoted following for his writing on productivity, mortality, the power of limits, and building a meaningful life in an age of bewilderment.