On the eve of World War 2, the unlikely figure of Erwin Schrödinger arrived in Dublin. Beginning a seventeen-year exile from his beloved Austria, the great physicist had been persuaded by Taoiseach Eamon de Valera to lead the new Dublin Institute for Advanced Studies. Four years later, Schrödinger gave a series of lectures at Trinity College Dublin. Memorably, he described the thought experiment which made him famous. In simple terms, Schrödinger stated that if you place a cat and something that could kill the cat in a box and seal it, you will not know if the cat is dead…