Complex sentence: She remained in Edinburgh to take up the post of Assistant Lecturer in Surgery offered to her by Professor Sir James Learmonth, and published her first paper with Learmonth in 1942; she later recounted that Learmonth had taught her how to conduct and document research.
Split into simpler sentences: She remained in Edinburgh to take up the post of Assistant Lecturer in Surgery offered to her by Professor Sir James Learmonth, and published her first paper with Learmonth in 1942. She later recounted that Learmonth had taught her how to conduct and document research.