 There are about 475 students at any one time ; the Principal of the college is Sir Nigel Shadbolt . Former students include Harold Wilson ( who was twice British Prime Minister ) , Norman Washington Manley ( Chief Minister of Jamaica ) , T. E. Lawrence ( " Lawrence of Arabia " ) , Angus Buchanan ( winner of the Victoria Cross ) , and Viscount Sankey ( Lord Chancellor ) . The university 's professorship of Celtic is attached to the college , a post held by scholars such as Sir John Rhys , Ellis Evans and Thomas Charles @-@ Edwards . Past or present fellows of the college include the historians Sir Goronwy Edwards and Niall Ferguson , the philosopher Galen Strawson and the political philosopher John Gray . 
