Daniel J. Revles ; with a new preface by the author. David S. Richeson ; with a new preface by the author. James Miller ; with a new preface by the author. Andrew H. Knoll ; with a new prefaceby the author. Peter Laslett with a new preface by the author. George E. Vaillant ; with a new preface by the author. Willard Van Orman Quine [with a new foreword by the author] . Ernst Mayr ; with a new introduction by the author. [Winifred Holtby ; with a new preface by Marion Shaw] .