In 1971 he won the Hennessy Award. The Irish Writers' Co-operative, formed by writer Fred Johnston, Neil Jordan and playwright Peter Sheridan at a meeting in a Dublin restaurant, were to publish Hogan's "The Ikon Maker", which was also the Co-op's first publication. While in Dublin, he worked as a street actor and had a number of plays – "A Short Walk to the Sea", "Sanctified Distances", and "The Squat" – produced in the Abbey Theatre and the Project Arts Centre. RTÉ and BBC Radio broadcast some of his plays, including "Jimmy". He also published stories in small magazines such as "Adam" and the "Transatlantic Review".