This book celebrates the life and legacy of one of Ireland's greatest ever jurists – Gerard Hogan.

Across his career as an academic, Advocate General at the Court of Justice of the European Union, and judge of the High Court, Court of Appeal, and Supreme Court of Ireland, Gerard Hogan has had a profound influence on public law. He is widely regarded as Ireland's leading legal scholar, particularly in constitutional law, administrative law, and EU law.

The volume in his honour focuses on the central role of courts in public law. It examines how courts shape constitutional systems, interpret legislation, hold public authorities accountable, and protect rights, while maintaining the balance between the executive, legislature, and citizens. Drawing on themes developed in his scholarship, opinions, and judgments, the book addresses issues such as judicial review, constitutional oversight, the rule of law, and the relationship between judicial independence, public confidence, democracy, and accountability. It also considers comparative and global perspectives on how courts perform these functions across different jurisdictions.

Reflecting on Gerard Hogan's enduring contributions to debates on judicial review, separation of powers, fundamental rights, and judicial decision-making, the book serves as both a tribute and a lasting scholarly resource. At a time of ongoing constitutional challenges in Ireland and across Europe, it offers a timely reflection on the principles of public law that Gerard Hogan has shaped over several decades, both on and off the bench.

Graham Butler is Professor of Law at Linnaeus University, Sweden.
Laura Cahillane is Professor of Law, University of Limerick, Ireland.