Translation (2020) of: Didaskein: 'n Studie in die fundamentele didacktiese teoriebou. McGraw-Hill, Johannesburg, 1972 In progress. Completed as of July 2017: Foreword, Chapter 1. Chapter 2 added, May 16, 2019. Chapters 3, 4 & 5 added and all items edited, January 20, 2020. {Edited January 2023]