Complex sentence: He resigned shortly after his appointment, after being asked to write a background memorandum to make a case for protectionism, though he had sufficiently impressed one of the council members (John Maynard Keynes) to secure an appointment as a lecturer in statistics at Cambridge University.
Split into simpler sentences: He resigned shortly after his appointment, after being asked to write a background memorandum to make a case for protectionism. Despite this, he had sufficiently impressed one of the council members (John Maynard Keynes) to secure an appointment as a lecturer in statistics at Cambridge University.