Bernard Lonergan (1904-1984), a professor of theology, taught at Regis College, Harvard University, and Boston College. An established author known for his Insight and Method in Theology, Lonergan received numerous honorary doctorates, was a Companion of the Order of Canada in 1971 and was named as an original member of the International Theological Commission by Pope Paul VI.Robert M. Doran is the Emmett Doerr Chair in Catholic Systematic Theology at Marquette University.H. Daniel Monsour is an associate editor of the Collected Works of Bernard Lonergan and holds a PhD in theology from the University of Toronto.Michael G. Shields is the librarian at the Lonergan Research Institute, Regis College, University of Toronto, and translator of several volumes in the Collected Works of Bernard Lonergan.

• General Editors’ Preface – Robert M. Doran (Marquette University)1 The Method of Theology Spring 1963: Editorial Reconstruction - Robert M. Doran (Marquette University)2 The Method of Theology Fall and Winter 1963-64: Editorial Reconstruction - Robert M. Doran (Marquette University)3 De Notione Structurae (Latin)3 The Notion of Structure (English), trans. Michael G. Shields (Lonergan Research Institute), ed Robert M. Doran and H. Daniel Monsour (Lonergan Research Institute or Regis College at the University of Toronto)