Chris Hadfield

Chris Hadfield

Chris learned Russian and emergency medicine on top of his test pilot and aeronautical training before spending six months in orbit. He is now best-known for performing Bowie’s Space Oddity in space – as well as publishing An Astronaut’s Guide To Life On Earth and appraising the candidates in BBC2’s Astronauts - Do You Have What It Takes? Chris shares insights on leadership, collaboration, human ingenuity and how to avoid being paralysed by fear in the four seconds between system failure and death. He also reveals what spacewalking tells us about life on Earth.

Dara O Briain

Dara is best known for Mock the Week, Dara & Ed’s Great Big Adventure and Stargazing Live. He’s also commiserated with Apprentice contestants, revived Countdown and Robot Wars, written Tickling the English and Secret Science, and performed to packed theatres from Moscow to Malta.