Dear fellow historians, Just appeared: a conversation with Michael A. Jackson. title: Formalism and Intuition in Software Development. Excerpt from the preface: "It is in the field of data processing that Jackson began his computing career, encountering a computer for the first time in 1961. After starting his company Michael Jackson Systems Ltd. in 1971, he developed the Jackson structured programming design method and later elaborated that into Jackson system development (JSD). During these years, he began to realize that ..." entire preface available here: www.dijkstrascry.com/node/132 The book can be purchased from Aamazon. best wishes, Edgar Daylight