Passage: Scotland's contributions include the detective writer Arthur Conan Doyle (the creator of Sherlock Holmes), romantic literature by Sir Walter Scott, the children's writer J. M. Barrie, the epic adventures of Robert Louis Stevenson and the celebrated poet Robert Burns. More recently the modernist and nationalist Hugh MacDiarmid and Neil M. Gunn contributed to the Scottish Renaissance. A more grim outlook is found in Ian Rankin's stories and the psychological horror-comedy of Iain Banks. Scotland's capital, Edinburgh, was UNESCO's first worldwide City of Literature.Britain's oldest known poem, Y Gododdin, was composed in Yr Hen Ogledd (The Old North), most likely in the late 6th century. It was written in Cumbric or Old Welsh and contains the earliest known reference to King Arthur. From around the seventh century, the connection between Wales and the Old North was lost, and the focus of Welsh-language culture shifted to Wales, where Arthurian legend was further developed by Geoffrey of Monmouth. Wales's most celebrated medieval poet, Dafydd ap Gwilym (fl.1320–1370), composed poetry on themes including nature, religion and especially love. He is widely regarded as one of the greatest European poets of his age. Until the late 19th century the majority of Welsh literature was in Welsh and much of the prose was religious in character. Daniel Owen is credited as the first Welsh-language novelist, publishing Rhys Lewis in 1885. The best-known of the Anglo-Welsh poets are both Thomases. Dylan Thomas became famous on both sides of the Atlantic in the mid-20th century. He is remembered for his poetry – his "Do not go gentle into that good night; Rage, rage against the dying of the light" is one of the most quoted couplets of English language verse – and for his "play for voices", Under Milk Wood. The influential Church in Wales "poet-priest" and Welsh nationalist R. S. Thomas was nominated for the Nobel Prize in Literature in 1996. Leading Welsh novelists of the twentieth century include Richard Llewellyn and Kate...

Question: What area did MacDiarmid and Gunn play a role in?
the Scottish Renaissance