Original: ` Chadwick , Sir James ( 1891 -- 1974 ) ' , Oxford Dictionary of National Biography , Oxford University Press , Sept 2004 ; online edn , Jan 2009 accessed 26 June 2009 and then studied at the Universities of Manchester and Cambridge .
Simplified: He was still in Germany when World War I broke out and he was interned in Ruhleben P.O.W. Camp just outside Berlin .