Contributor(s): Tom Holland, Margaret MacMillan

Contributor(s): Darran Anderson, Dr Matthew Beaumont, Professor Rachel Cooper

Contributor(s): Dr Elena Barabantseva, Anna Chen, Andy Lawrence, Dr Véronique Pin-Fat

Contributor(s): Anna Pavord, Dan Pearson, Margaret Willes

Contributor(s): Miriam Halahmy, Philip Womack, M M Vaughan

Contributor(s): Professor John Gray, Ros Schwartz, John Simenon

Contributor(s): David Aaronovitch

Contributor(s): Professor Sophie-Grace Chappell, Professor Heidi Safia Mirza, Professor Jacqueline Rose, Zoe Williams

Contributor(s): Professor Michèle Barrett, Duncan Barrett, Professor Barry Buzan, Professor Steven French

Contributor(s): The Hon. Mr Justice Jay, Gráinne Mellon, Professor Gerry Simpson, Paul Clark, Natalie Samarasinghe, Dr Nazila Ghanea, Professor Francoise Hampson, Antony Loewenstein, Carne Ross