Abstract: This essay consists of four parts: an introduction by Vanlandschoot to the Woridviews project and the Centrum Leo Apostel, the text of a videotaped interview with Apostel shown at the 1989 meeting of the A1S at Sonoma State University, a fuller account of the Worldviews project by Vanlandschoot, and excerpls from an essay in self-criticism by Apostel, with final reflections by Vanlandschoot. IN THE 1982 Issues in Integrative Studies there is an article by Professor Raymond C. Miller. In his “Varieties of Interdisciplinary Approaches in the Social Sciences: A 1981 Overview ” he mentions the 1972 OECD book on interdisciplinarity (OECD 1972). 1 quote: “During the turmoil of the late sixties I wrote a small paper in which I attempted ...