"Dr. George Lindbeck, of Yale University, a widely known ecumenist, came to the College for one term. He directed a seminar on ecumenics for faculty members, pastors, and laymen."
(Timothy Y. H. Chow, 'Trinity Theological College---"Work In Progress" Report,' in Trinity Theological College Annual, vol. 6, ed., Clayton H. Chu [Singapore: Trinity Theological College, 1969], p.5. H/T: Leow Theng Huat.)
Lindbeck is recognized as one of the fathers of post-liberal theology (which means it is not liberal), or the so-called 'Yale-School' theology. His most famous book is The Nature of Doctrine: Religions and Theology in a Postliberal Age (USA: Westminster John Knox Press, 1984). Alister McGrath's The Genesis of Doctrine: A Study in the Foundation of Doctrinal Criticism (UK: Blackwell, 1990) engages Lindbeck's book extensively.