In August 1961, John became the first instructor of South Africa’s four - week Kingdom Ministry School course, which was designed to help congregation overseers.
وقد برع جون في فن التعليم واستطاع بلوغ قلب التلامذة بأسلوبه المنطقي البسيط وأمثاله الحية المؤثرة .‏