Melvyn Bragg and guests discuss the man who was Henry II's Chancellor and then Archbishop of Canterbury and who was murdered by knights in Canterbury Cathedral (depicted by Matthew Paris, above). Henry believed that Becket owed him loyalty as he had raised him to the highest offices, and that he should agree to Henry's courts having jurisdiction over 'criminous clerics'. They fell out when Becket agreed to this jurisdiction verbally but would not put his seal on the agreement, the Constitutions of Clarendon. The rift deepened when Henry's heir was crowned without Becket, who excommunicated the bishops who took part. Becket's tomb became one of the main destinations for pilgrims for the next 400 years, including those in Chaucer's Canterbury Tales where he was the 'blisful martir'.

With

Laura Ashe

Michael Staunton

And

Danica Summerlin

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss the life, reputation and impact of Constantine I, known as Constantine the Great (c280s -337AD). Born in modern day Serbia and proclaimed Emperor by his army in York in 306AD, Constantine became the first Roman Emperor to profess Christianity. He legalised Christianity and its followers achieved privileges that became lost to traditional religions, leading to the steady Christianisation of the Empire. He built a new palace in Byzantium, renaming it Constantinople, as part of the decentralisation of the Empire, an Eastern shift that saw Roman power endure another thousand years there, long after the collapse of the empire in the West.

With

Christopher Kelly

Lucy Grig

and

Greg Woolf

Producer: Simon Tillotson.

Melvyn Bragg and his guests discuss the Central Asian polymath al-Biruni and his eleventh-century book the India.Born in around 973 in the central Asian region of Chorasmia, al-Biruni became an itinerant scholar of immense learning, a master of mathematics, medicine, astronomy and many languages. He corresponded with the age's greatest scientist, Avicenna, and made significant contributions to many fields of knowledge.In 1017 al-Biruni became a member of the court of the ruler Mahmud of Ghazna. Over the course of the next thirteen years he wrote the India, a comprehensive account of Hindu culture which was the first book about India by a Muslim scholar. It contains detailed information about Hindu religion, science and everyday life which have caused some to call it the first work of anthropology.With:James MontgomeryProfessor of Classical Arabic at the University of CambridgeHugh KennedyProfessor of Arabic in the School of Oriental and African Studies at the University of LondonAmira BennisonSenior Lecturer in Middle Eastern and Islamic Studies at the University of CambridgeProducer: Thomas Morris.

Melvyn Bragg and guests discuss the flourishing of the idea of Purgatory from C12th, when it was imagined as a place alongside Hell and Heaven in which the souls of sinners would be purged of those sins by fire. In the West, there were new systems put in place to pray for the souls of the dead, on a greater scale, with opportunities to buy pardons to shorten time in Purgatory. The idea was enriched with visions, some religious and some literary; Dante imagined Purgatory as a mountain in the southern hemisphere, others such as Marie de France told of The Legend of the Purgatory of Saint Patrick, in which the entrance was on Station Island in County Donegal. This idea of purification by fire had appalled the Eastern Orthodox Church and was one of the factors in the split from Rome in 1054, but flourished in the West up to the reformations of C16th when it was again particularly divisive.

With

Laura Ashe

Matthew Treherne

and

Helen Foxhall Forbes

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss the Baltic Crusades, the name given to a series of overlapping attempts to convert the pagans of North East Europe to Christianity at the point of the sword. From the 12th Century, Papal Bulls endorsed those who fought on the side of the Church, the best known now being the Teutonic Order which, thwarted in Jerusalem, founded a state on the edge of the Baltic, in Prussia. Some of the peoples in the region disappeared, either killed or assimilated, and the consequences for European history were profound.

With

Aleks Pluskowski

Nora Berend

and

Martin Palmer

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss the origins of the Hindu goddess Lakshmi, and of the traditions that have built around her for over 3,000 years. According to the creation story of the Puranas, she came to existence in the churning of the ocean of milk. Her prominent status grew alongside other goddesses in the mainly male world of the Vedas, as female deities came to be seen as the Shakti, the energy of the gods, without which they would be powerless. Lakshmi came to represent the qualities of blessing, prosperity, fertility, beauty and good fortune and, more recently, political order, and she has a significant role in Diwali, one of the most important of the Hindu festivals.

With

Jessica Frazier

Jacqueline Suthren-Hirst

and

Chakravarthi Ram-Prasad

Producer: Simon Tillotson.

To celebrate Melvyn Bragg’s 27 years presenting In Our Time, five well-known fans of the programme have chosen their favourite episodes. Author and columnist Caitlin Moran has picked the episode on the English medieval mystic Margery Kempe and recorded an introduction to it. Margery Kempe (1373-1438) produced an account of her extraordinary life in a book she dictated, "The Book of Margery Kempe." She went on pilgrimage to Jerusalem, to Rome and Santiago de Compostela, purchasing indulgences on her way, met with the anchoress Julian of Norwich and is honoured by the Church of England each 9th November. She sometimes doubted the authenticity of her mystical conversations with God, as did the authorities who saw her devotional sobbing, wailing and convulsions as a sign of insanity and dissoluteness. Her Book was lost for centuries, before emerging in a private library in 1934.

This In Our Time episode was first broadcast in June 2016. The image (above), of an unknown woman, comes from a pew at Margery Kempe's parish church, St Margaret’s, Kings Lynn and dates from c1375.

With

Miri Rubin

Katherine Lewis

And

Anthony Bale

Producer: Simon Tillotson

Reading list:

John H. Arnold and Katherine J. Lewis (eds.), A Companion to the Book of Margery Kempe, (D. S. Brewer, 2010)

Anthony Bale (trans.), The Book of Margery Kempe (Oxford University Press, 2015)

Santha Bhattacharji, God is an Earthquake: The Spirituality of Margery Kempe (Darton, Longman and Todd, 1997)

Anthony Goodman, Margery Kempe and her World (Longman, 2002)

Karma Lochrie, Margery Kempe and the Translations of the Flesh (University of Pennsylvania Press, 1991)

Gail McMurray Gibson, The Theater of Devotion: East Anglian Drama and Society in the Late Middle Ages (University of Chicago Press, 1989)

Lynn Staley, Margery Kempe’s Dissenting Fictions (Pennsylvania State University Press, 1994)

Jonathan Sumption, Pilgrimage: An Image of Mediaeval Religion (Faber & Faber, 2002)

Brett Whalen, Pilgrimage in the Middle Ages: A Reader (University of Toronto Press, 2011)

Barry Windeatt (ed.), The Book of Margery Kempe: Annotated Edition (D. S. Brewer, 2006)

Barry Windeatt (ed.), The Book of Margery Kempe (Penguin Classics, 2000)

Spanning history, religion, culture, science and philosophy, In Our Time from BBC Radio 4 is essential listening for the intellectually curious. In each episode, host Melvyn Bragg and expert guests explore the people, ideas, events and discoveries that have shaped our world

In Our Time is a BBC Studios production

Melvyn Bragg and guests discuss Titus Oates (1649-1705) who, with Israel Tonge, spread rumours of a Catholic plot to assassinate Charles II. From 1678, they went to great lengths to support their scheme, forging evidence and identifying the supposed conspirators. Fearing a second Gunpowder Plot, Oates' supposed revelations caused uproar in London and across the British Isles, with many Catholics, particularly Jesuit priests, wrongly implicated by Oates and then executed. Anyone who doubted him had to keep quiet, to avoid being suspected a sympathiser and thrown in prison. Oates was eventually exposed, put on trial under James II and sentenced by Judge Jeffreys to public whipping through the streets of London, but the question remained: why was this rogue, who had faced perjury charges before, ever believed?

With

Clare Jackson

Mark Knights

And

Peter Hinds

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss the rise of the Sikh Empire at the end of the 18th Century under Ranjit Singh, pictured above, who unified most of the Sikh kingdoms following the decline of the Mughal Empire. He became Maharaja of the Punjab at Lahore in 1801, capturing Amritsar the following year. His empire flourished until 1839, after which a decade of unrest ended with the British annexation. At its peak, the Empire covered the Punjab and stretched from the Khyber Pass in the west to the edge of Tibet in the east, up to Kashmir and down to Mithankot on the Indus River. Ranjit Singh is still remembered as "The Lion of the Punjab."

With

Gurharpal Singh

Chandrika Kaul

And

Susan Stronge

Producer: Simon Tillotson.

Mary Magdalene is one of the best-known figures in the Bible and has been a frequent inspiration to artists and writers over the last 2000 years. According to the New Testament, she was at the foot of the cross when Jesus was crucified and was one of the first people to see Jesus after the resurrection. However, her identity has provoked a large amount of debate and in the Western Church she soon became conflated with two other figures mentioned in the Bible, a repentant sinner and Mary of Bethany. Texts discovered in the mid-20th century provoked controversy and raised further questions about the nature of her relations with Jesus.

With:

Joanne Anderson

Eamon Duffy

Joan Taylor

Producer: Victoria Brignell.