 Members of the Circle included Rhydwen Williams, Pennar Davies and Gareth Alban Davies.His early play "Cwm Glo" (1934) was seen as controversial because it dealt with the social impact of the depression without the cultural romanticism which was stereotypical of Welsh literature.His verse play "Meini Gwagedd" (1944) is set in the Tregaron area and again looks at the harshness of the industrialised Wales and the self-destructive nature of people when drawn into a spiral of ill fortune.