Public Letter

President Juan Manuel Santos 
President of the Republic of Colombia

President Fernando H. Cardoso  
Former President of Brazil

President Lech Wałęsa  
Former President of Poland, Nobel Prize winner.

Professor Noam Chomsky  
Professor of Linguistics and Philosophy at MIT

Bernardo Bertolucci   
Film Director

Mario Vargas Llosa  
Writer, Nobel Prize winner

Thorvald Stoltenberg  
Former Minister of Foreign Affairs (Norway) and UN High Commissioner for Refugees

Michel Kazatchkine
United Nations Special Envoy for HIV/AIDS

Professor Sir Anthony Leggett  
Physicist, Nobel Prize winner

Javier Solana, KOGF, KCMG  
Former EU High Representative for the Common Foreign and Security Policy

Wisława Szymborska  
Poet, Nobel Prize winner

Professor John Polanyi  
Chemist, Nobel Prize winner

Professor Thomas C. Schelling  
Economist, Nobel Prize winner

Professor Lord Piot 
Former UN Under Secretary-General

Professor Colin Blakemore
Professor of Neuroscience at the University of Oxford and University of Warwick

Professor Sir Ian Gilmore  
Former President of the Royal College of Physicians

Dr. Julian Huppert, MP  
Vice-Chair of the All-Party Parliamentary Group for Drug Policy Reform

Professor Jonathan Wolff  
Professor of Philosophy at UCL

Professor Peter Singer  
Professor of Bioethics at Princeton University

Gary Johnson   
Republican US Presidential Candidate

General Lord Ramsbotham   
Former HM Chief Inspector of Prisons

Peter Lilley, MP  
Former Secretary of State for Social Security

Tom Brake, MP  
Co-chair of the Lib Dem Home Affairs, Justice and Equalities Parliamentary Policy Committee

President Jimmy Carter  
Former President of the United States, Nobel Prize winner

President Ruth Dreifuss  
Former President of Switzerland

President Vicente Fox  
Former President of Mexico

Sir Richard Branson  
Entrepreneur and Founder of the Virgin Group

Yoko Ono  
Musician and artist

Sean Parker  
Founding President of Facebook, Director of Spotify

Sting 
Musician and actor

Louise Arbour, CC, GOQ  
Former UN High-Commissioner for Human Rights

John Perry Barlow  
Co-founder of the Electronic Frontier Foundation

Maria Cattaui  
Former Secretary-General of the International Chamber of Commerce

Jeremy Thomas 
Film Producer

Gilberto Gil  
Musician, former Minister of Culture, Brazil

Dr. Jan Wiarda  
Former President of European Police Chiefs

Professor Niall Ferguson   
Professor of History at Harvard University

Lord Rees, OM   
Astronomer Royal and former President of the Royal Society

Professor Sir Partha Dasgupta  
Professor of Economics at Cambridge

Caroline Lucas, MP  
Leader of the Green Party and MP for Brighton

Trudie Styler
Actress and producer

Professor Robin Room  
School of Population Health, University of Melbourne

Professor A. C. Grayling  
Master of the New College of the Humanities

Nicholas Green, QC  
Former Chairman of the Bar Council

Sir Peregrine Worsthorne  
Former Editor of The Sunday Telegraph

Professor Robert Grayling 
Dean of School of Medicine, KCL

Dr. Patrick Aeberhard  
Former President of Doctors of the World