Orson Welles

On the 250th anniversary of the start of the American Revolution, we'll discuss the Irish involvement in the conflict and the impact it had on our history. Featuring: Prof Finola O'Kane Crimmins, Professor at the School of Architecture, Planning and Environmental Policy at UCD; Dr Joel Herman, Research Fellow at the Virtual Record Treasury of Ireland, History Department at Trinity College Dublin; Prof Patrick Griffin, Madden-Hennebry Professor of History at the University of Notre Dame, and Bye-Fellow at St Edmund's College at the University of Cambridge; and Prof Eliga Gould, Harmsworth Professor of American History at Oxford.

We explore Ireland's journey through science, engineering, technology and mathematics over the last four centuries. Featuring Dr Eoin Kinsella, managing editor of the Dictionary of Irish Biography; Prof Jane Grimson, a Member of the Royal Irish Academy and past president of Engineers Ireland and of the Irish Academy of Engineering; and Turlough O’Riordan, online and digital editor of the Dictionary of Irish Biography.

In this episode: Dublin’s Industrial Heritage by Rob Goodbody; the Voices of the Showmen exhibition at the University of Galway; The Great Reversal - Britain, China and the 400-Year Contest for Power, by Kerry Brown; and Irish settlers’ roles in Native American history, in Éire agus Na Chéad Naisiúin on TG4, with producer Ronan McCloskey.