Matt Ridley, English journalist, author, and politician
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 inherited the viscountcy in February 2012 and was a Conservative hereditary peer from February 2013, with an elected seat in the House of Lords, until his retirement in December 2021.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 its nationalisation.