Louis Feutren (pictured) in his SS uniform, taught at St Conleth's College in Ballsbridge for almost 30 years. It was an open secret among the boys at St Conleth’s College that their French teacher, Louis Feutren, was a Nazi. His pupils knew about his savage methods, which some allege included beatings and sadistic methods of control. A Breton nationalist who supported the Nazi occupation of France, Feutren came to Ireland in 1945 to escape a death sentence at home. He taught at the school from 1957 to 1985 and died in 2009. Now, as Irish Times journalist Ronan McGreevy has...