Matthew White Ridley, 5th Viscount Ridley, (born 7 February 1958) is a British journalist and businessman. He is best known for his writings on science, the environment, and economics. He has written several science books, including The Red Queen: Sex and the Evolution of Human Nature (1994), Genome (1999), The Rational Optimist: How Prosperity Evolves (2010) and The Evolution of Everything: How Ideas Emerge (2015). He publishes a blog and has been a regular contributor to The Times newspaper. Ridley is a libertarian, and a staunch supporter of Brexit. He has been a Conservative hereditary peer since 2013, with a seat in the House of Lords.Ridley was chairman of the UK bank Northern Rock from 2004 to 2007, during which period it experienced the first run on a British bank in 130 years. He resigned, and the bank was bailed out by the UK government; this led to the nationalisation of Northern Rock.

British physicist at the University of Oxford. Pioneered the field of quantum computation, formulated a description for a quantum Turing machine, and specified an algorithm for quantum computers. Proposer of using entangled states and Bell's theorem for quantum key distribution. Proponent of the many-worlds interpretation of quantum mechanics.

Alex J. O’Connor is founder of the “Cosmic Skeptic” YouTube channel, podcast and blog, platforms dedicated to the publication of philosophical ideas and debates in an accessible format. A recent graduate of philosophy and theology from St. John’s College, Oxford University, Alex is an international public speaker and debater, having delivered addresses across multiple continents at conferences, universities, and local drinking groups, as well as debated ethics, religion, and politics with a number of high-profile opponents before college audiences, on radio talk shows and on national television.

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Mary Ellen Curtin has a Ph. d from Duke University and is a historian of modern African American and women's social and political history. Her first book Black Prisoners and Their World documented the experiences of black convict laborers in the South after emancipation.