challenge: What were some of the notable positions held by Thomas Franklin Sibly in University administration?
  
  A. Principal of University College, London and Vice-Chancellor of the University of Cambridge
  B. Principal of University College, Swansea, Vice-Chancellor of the University of Wales, Principal of the University of London and Vice-Chancellor of the University of Reading
  C. Principal of the University of Oxford and Vice-Chancellor of the University of Manchester
  D. Principal of University College, Swansea and Vice-Chancellor of the University of Wales
  Answer: 