This book contains 19 papers on 20th century thinkers in adult and continuing education. The book is arranged in four parts as follows: early 20th century English thinkers; early 20th century American thinkers; theorists of adult and continuing education; and theorists of adult education and social change. The following papers are included: "Introduction: Adult Education--An Ideal for Modernity?" (Peter Jarvis); "Albert Mansbridge" (David Alfred); "Basil Yeaxlee and the Origins of Lifelong Education" (Angela Cross-Durrant); "R. H. Tawney--Patron Saint of Adult Education" (Barry Elsey); "John Dewey and Lifelong Education" (Angela Cross-Durrant); "E. L. Thorndike" (W. A. Smith); "Eduard Lindeman" (Stephen Brookfield); "Robert Peers" (Stella Parker); "Cyril O. Houle" (William S. Griffith [updated by Peter Jarvis]); "Malcolm S. Knowles" (Peter Jarvis); "Roby Kidd--Intellectual Voyager" (Alan M. Thomas); "K. Patricia Cross" (Carol E. Kasworm); "Chris Argyris--The Reluctant Adult Educator" (Karen E. Watkins and Jacqueline A. Wilson); "Donald Schon" (Ron Cervero); "Moses Coady and Antigonish" (John M. Crane); "Horton of Highlander" (John M. Peters and Brenda Bell); "Paulo Freire" (Peter Jarvis); "Ettore Gelpi" (Colin Griffin); "Women in Adult Education--Second Rate or Second Class?" (Mal Leicester); and "Conclusion: Adult Education at the End of the Twentieth-Century" (Peter Jarvis). (All papers include substantial bibliographies.) (MN)