Eva Clarke at the Cambridge Union

Eva Clarke was born in Mauthausen Concentration Camp, Austria, in April 1945. She and her mother are the only Holocaust survivors of their family, 15 members of whom were killed in Auschwitz. In December 1941 Eva's parents were sent to Theresienstadt Concentration Camp, later onto Auschwitz, and ultimately to Mauthausen, where Eva was born in a cart with no medical assistance. If the gas chambers had not been blown up on the 28th April 1945 and the American Army had not liberated Mauthausen three days after Eva's birth, Eva nor her mother would have survived.

Cedric Villani at the Cambridge Union

Cedric Villani is a prominent French mathematician who is known for his work on the theory of partial differential equations related to statistics mechanics. In 2010 he was awarded the Fields Medal for his proofs of nonlinear Landau damping and convergence to equilibrium for the Boltzmann equation. Villani received his Ph.D in Mathematics in 1998 from École Normale Supérieure. Since then he has written 50 research papers and two reference books on optimal transport theory.

Bonnie Tyler at the Cambridge Union

Bonnie Tyler is a Welsh singer. Born in Skewen, she spent seven years performing in pubs and clubs around South Wales before being signed to RCA Records in 1975. Tyler is known for her distinctive husky voice, resulting from an operation to remove vocal nodules in the mid-1970s. Her singing has been compared to Rod Stewart and Kim Carnes, and she has been referred to as the 'International First Lady of RockTyler first achieved major chart success in the 1970s with "It's a Heartache".

Bill Oddie at the Cambridge Union

Bill Oddie is an author, broadcaster and comedian. He studied English Literature at Pembroke College, Cambridge and was a member of the Footlights. His comedy career on the BBC included the series 'I'm Sorry I'll Read That Again' and 'The Goodies'. He is also an avid birdwatcher and has co-produced the bi-annual BBC Springwatch/Autumnwatch.