Off he went on a quest to a remote and exotic place, announced directly and simply by telegram, "gone to Patagonia for six months" - a trip of wandering and exile in search of a strange beast which inspired the first of Bruce Chatwin's books In Patagonia - a book that redefined travel writing. Actor Jonathan White reads from it in The Book On One (RTE Radio 1, 2.45 p.m., Monday to Friday).
PETER Sheridan, writer and director, discusses the impact Sean O'Casey has had on his life in the millennium series A Giant At My Shoulder (RTE Radio 1, 10.30 p.m., Friday). Sheridan talks about his memories growing up in Seville Place, Dublin and his role in O'Casey plays as a 15year-old with a local theatre group.
THE Network Europe series continues with Gypsies, Tinkers and Travellers (RTE Radio 1, 7.05 p.m., Wednesday) - a collaboration between the national radio services of Scotland, Ireland and the Netherlands. Billy Kay of BBC Radio Scotland explores the century-old traditions of tinkers and travellers in Scotland.
DAVID Moane profiles the life of the Austrian conductor and pianist Herbert von Karajan, known for his flamboyant style and perfectionism, in The Lyric Profile (Lyric FM, 8 p.m. Wednesday).
Tuesday is "Moon-day", as BBC Radio 4 marks the 30th anniversary of the first moon-landing - the celebration starts with a where-were-you-when-it-happened in Moonshot Memories (9.30 a.m.), followed by a look at the role of women in space in Women's Hour (10 a.m.), and continues throughout the day. Afternoon Play (2.15 p.m.) airs Janet Smith's first play for radio, The Man In The Moon, based on actual events in Ireland. Radio ham Malloney (T.P. McKenna) tunes into a Russian voice and befriends Yurov, a Russian celebrity whose life is in danger.