Complex sentence: He graduated from Cambridge University and the Royal London Hospital in 1974, and then worked in the Renal Transplant Unit and Cardiology Departments of the Royal Free Hospital and St Mary's Hospital in London.
Split into simpler sentences: He graduated from Cambridge University and the Royal London Hospital in 1974. He worked in the Renal Transplant Unit and Cardiology Departments of the Royal Free and St Mary's Hospital in London.