Patrick Geoghegan and his panel explore the life, times and legacy of William The Conqueror. Was he a hero who instituted great changes, brought in legal and administrative innovations, and unified England, or a villain and invader who conquered it in a dramatic overthrow?

Featuring Prof George Garnett, Professor of Medieval History at St Hugh’s College, University of Oxford; Prof Virginia Davis, Professor of Medieval History, Queen Mary University of London; Prof Seán Duffy, Professor of Medieval Irish and Insular History, Trinity College Dublin; Dr Marc Morris, a historian who specializes in the Middle Ages; and Prof Hugh M. Thomas, author of The Norman Conquest: England after William the Conqueror.

In this episode, we're telling the story of Ireland through its records with Orlaith McBride, Director of the National Archives of Ireland; we'll also find out about the life and legacy of Roger Casement, with Roland Philipps, author of Broken Archangel: The Tempestuous Lives of Roger Casement; we'll discuss the formation of the RNLI 200 years ago and its key early personnel with Helen Doe, historian and author of ‘One Crew: The RNLI's Official 200-Year History’; and we'll analyse the Anglo-French War of the late 13th century with David Pilling, historian and author of Edward Longshanks' Forgotten Conflict - The Anglo-French War 1294-1303.

In this episode of Talking History, we're looking at the life and music of Tchaikovsky and debating his remarkable artistic legacy. Joining Patrick Geoghegan is Prof Philip Ross Bullock, Professor of Russian Literature and Music, University of Oxford; Dr Ciarán Crilly, Associate Professor, UCD School of Music, and Artistic Director of the UCD Symphony Orchestra; and Dr Tamsin Alexander, Senior Lecturer in Music and Head of the Centre for Russian Music at Goldsmiths, University of London.

In this episode, we're exploring the Library of Alexandria and finding out how it became the ancient world's greatest repository of knowledge. Joining Patrick Geoghegan is Willeke Wendrich, Research Professor of Egyptian Archaeology and Digital Humanities, UCLA; Prof Islam Issa, Professor of Literature and History at Birmingham City University; and Dr Cynthia Johnston, Senior Lecturer in History of the Book at the School of Advanced Study at the University of London.

In a new mini-series over the next year, Talking History explores the history of Ireland's political parties, from their achievements in office, to their failures, leaders and legacy. In this first episode, we look back the history of Fianna Fáil: the good, the bad and the ugly of the party which has been in power in Ireland for longer than any other.

Patrick Geoghegan is joined by Dr Eoin O’Malley, Associate Professor in Political Science at the School of Law and Government, Dublin City University, Prof Gary Murphy, Professor of Politics at the School of Law and Government at Dublin City University, Prof Eunan O'Halpin, Emeritus Professor of Contemporary Irish History, Trinity College Dublin, and Senator Lisa Chambers of Fianna Fáil.

Marking the international touring exhibition 'Imagine: 100 Years of International Surrealism', Patrick Geoghegan finds out what this movement meant to the art world and its global significance still today. Joining him is Dr Felicity Gee, Senior Lecturer in Modernism and World Cinema at the University of Exeter, and Vice President of the International Society for the Study of Surrealism; Dr Matthew Affron, curator for modern and contemporary art at the Philadelphia Museum of Art who is leading the surrealism exhibition there; Professor Alyce Mahon, the University of Cambridge’s Department of History of Art specialist in Modern and Contemporary Art History and Theory; and Dr. Tara Plunkett, Lecturer/Assistant Professor at the School of Languages, Cultures and Linguistics, at University College Dublin.

In this April Books Special, we'll find out how the Oxford English Dictionary was crowdsourced from a surprising and diverse group of people from astronomers to murderers, with author Dr Sarah Ogilvie, Senior Research Fellow in Linguistics at the University of Oxford; we'll also explore one of the bloodiest periods in English history known as the Anarchy with author and historian Sharon Bennett Connolly; and discuss two centuries of Plantagenet history which included the murder of kings and a devastating pandemic, in the book 'Arise, England: Six Kings and the Making of the English State' with Dr Caroline Burt, medieval historian at the University of Cambridge, and Richard Partington, Fellow in History at St John's College, University of Cambridge.

In this episode of Talking History, we're remembering Abba's Eurovision win 50 years ago and finding out how the song Waterloo helped to propel them to global superstardom. Joining Patrick Geoghegan are: Carl Magnus Palm, historian and author of ‘Abba On Record', Ingmarie Halling, Creative Director and Curator at ABBA The Museum, Hedley Swain, CEO of Royal Pavilion and Museums Trust, on the Abba exhibition at Brighton Museum, and Dr. Dónal Mulligan, lecturer and researcher at the DCU School of Communication.

On this week's Talking History, we're looking at the creation of the Irish courts system 100 years ago and exploring how our legal system came about. On Patrick Geoghegan's panel: Dr Niamh Howlin, Associate Professor at the UCD Sutherland School of Law and main organiser of the Dublin Castle event commemorating the Courts of Justice Act 1924; Dr Donal Coffey, Lecturer and Assistant Professor, School of Law, Maynooth University; Dr Róisin Costello, Assistant Professor of EU and International Law at TCD; Dr Kevin Costello, Senior Lecturer in the Sutherland School of Law at UCD; and Hon. Mr. Justice Gerard Hogan, Ireland’s foremost constitutional lawyer.

In this World War Two-themed March Books Special, Patrick Geoghegan meets the nephew of Alan Turing to discuss the enigma traitors. We'll also hear about the travels of Winston Churchill from Robin Cross, and debate why the Luftwaffe lost the aerial war over Germany, with Jonathan Trigg.