Professor Jim Al - Khalili, President
of the BHA Phillip Pullman, author Dan Snow, historian and broadcaster Tim Minchin, musician and writer Dr Simon Singh, science writer Ken Follett, novelist Dr Adam Rutherford, broadcaster and science writer Sir John Sulston FRS, Nobel Prize winning scientist Sir David Smith FRS FRSE,
eminent botanist Professor Jonathan Glover,
philosopher Professor Anthony Grayling,
philosopher Nick Ross, broadcaster CJ De Mooi, actor and professional quizzer Virginia Ironside, writer Professor Steven Rose, scientist and writer Natalie Haynes, comedian and writer Peter Tatchell, human rights campaigner Professor Raymond Tallis FMedSci, physician,
philosopher and author Dr Iolo ap Gwynn FRMS, scientist and mountaineer Stephen Volk, screenwriter and author Professor Steve Jones, Professor
of Genetics, science writer and broadcaster Sir Terry Pratchett OBE, Fantasy fiction author, satirist Dr Evan Harris, Former Liberal Democrat Member
of Parliament and Vice-President
of the BHA Dr Richard Bartle, Professor
of Computer Game Design Sian Berry, Green campaigner, politician and author Professor John A Lee, Consultant Histopathologist and Professor
of Pathology Professor Richard Norman,
philosopher Zoe Margolis, author Joan Smith, journalist and author Michael Gore, CVO CBE Derek McAuley, General Assembly
of Unitarian and Free Christian Churches Lorraine Barratt, former member
of the Welsh Assembly Dr Susan Blackmore, writer and broadcaster Dr Harry Stopes - Roe, Vice President
of the BHA Sir Geoffrey Bindman QC (Hon), human rights lawyer Adele Anderson, actor and singer Dr Helena Cronin, Co-Director, Centre for Philosophy
of Natural and Social Science Professor Alice Roberts, Anatomist, author and broadcaster Professor Chris French, Professor
of Psychology, editor
of The Skeptic Sir Tom Blundell, scientist Maureen Duffy, poet, playwright and novelist Baroness Whitaker, Labour peer Lord Avebury, Liberal Democrat peer Richard Herring, writer and comedian Martin Rowson, writer and cartoonist Tony Hawks, comedian, writer, musician and philanthropist Peter Cave,
philosopher and author Diane Munday, campaigner Professor Norman MacLean, Biologist Professor Sir Harold Kroto FRS, Nobel prize winner, Professor
of Chemistry Sir Richard Dalton, former Diplomat Sir David Blatherwick, KCMG, OBE, Diplomat and writer Michael Rubenstein, writer and legal expert Polly Toynbee, columnist and broadcaster Lord O'Neill, labour peer