Complex sentence: After writing about the history of St Kieran's, he received an MA in English before earning a doctorate, and was later appointed to the staff of St Patrick's College, Maynooth, and as a Professor of Education and Lecturer in Catechetics in 1953.
Split into simpler sentences: After writing about the history of St Kieran's, he received an MA in English before earning a doctorate. He was then appointed as a staff in St Patrick's College, Maynooth, and as a Professor of Education and Lecturer in Catechetics in 1953.