This article summarises the policies, views and voting record of democratic socialist, Labour Party MP Jeremy Corbyn, who since 12 September 2015 has been the Leader of the Opposition and Leader of the Labour Party in the United Kingdom.
 A challenge to Corbyn's leadership led to the Labour Party (UK) leadership election, 2016, where Corbyn won against challenger Owen Smith with 61.8% of the vote.
Manabendra Nath Roy (21 March 1887 – 24 January 1954), born Narendra Nath Bhattacharya, was an Indian revolutionary, radical activist and political theorist, as well as a noted philosopher in the 20th century.
 Roy was a founder of the Mexican Communist Party and the Communist Party of India.
 He was also a delegate to congresses of the Communist International and Russia's aide to China.
 Following the rise of Joseph Stalin, Roy left the mainline communist movement to pursue an independent radical politics.
 In 1940 Roy was instrumental in the formation of the Radical Democratic Party, an organisation in which he played a leading role for much of the decade of the 1940s.
 Roy later moved away from Marxism to become an exponent of the philosophy of radical humanism.
City Life was a Manchester-based news, arts and listings magazine that was published between December 1983 and December 2005.
 It was a distinctive blend of radical politics and coverage of the increasingly exciting Manchester youth culture scene of the early 1980s, coinciding with the rise of Factory Records and The Haçienda.
Jeremy Bernard Corbyn ( ; born 26 May 1949) is a British politician who has been the Leader of the Labour Party and Leader of the Opposition since 2015 and the Member of Parliament (MP) for Islington North since 1983.
Michael Neumann (born 1946) is a professor of philosophy at Trent University in Ontario, Canada.
 He is the author of "What's Left?
 Radical Politics and the Radical Psyche" (1988), "The Rule of Law: Politicizing Ethics" (2002) and "The Case Against Israel" (2005), and has published papers on utilitarianism and rationality.
Trudy Lynne Harrison (born 19 April 1976) is a British Conservative Party politician.
 She has been the Member of Parliament (MP) for Copeland since winning the seat at the February 2017 by-election.
 It was the first time Copeland elected a Conservative MP since 1935.
Corbyn: The Strange Rebirth of Radical Politics is a 2016 book by Irish writer Richard Seymour, published by Verso Books.
 The book examines the political conditions which contributed to the rise of UK opposition leader Jeremy Corbyn during 2015 Labour leadership election, and attempts to predict the future of Corbyn, the Labour Party, and Leftist politics in coming years.
Aristotle first used the term ethics to name a field of study developed by his predecessors Socrates and Plato.
 Philosophical ethics is the attempt to offer a rational response to the question of how humans should best live.
 Aristotle regarded ethics and politics as two related but separate fields of study, since ethics examines the good of the individual, while politics examines the good of the city-state.
Penelope Rosemont (born 1942 in Chicago, Illinois), attended Lake Forest College.
 She is a visual artist, writer, and publisher and has been involved with the Surrealist movement in America as well as radical politics, including the IWW (Industrial Workers of the World, commonly known as the Wobblies), and Students for a Democratic Society (SDS) since the 1960s.
 She and her late husband Franklin Rosemont have been significant figures in both American Surrealism and Chicago politics since then.
 In 1965-66, while visiting Paris, Franklin and Penelope Rosemont met Andre Breton and number of members of the Paris Surrealist Group, as well as Guy Debord of the Situationist International.
William Hamilton Reid (died 1826) was a British poet and hack writer.
 A supporter of radical politics turned loyalist, he is known for his 1800 pamphlet exposé "The Rise and Dissolution of the Infidel Societies in this Metropolis".
 His later views turned again towards radicalism.

Question: Corbyn: The Strange Rebirth of Radical Politics examines the rise of a politician who has been an MP since what year?
Answer: 1983