Stone de Rouffignac is a pseudonym.The real Stone de Rouffignac taught physics for more than thirty years, variously in a coeducational boarding school, an interna...view moreStone de Rouffignac is a pseudonym.The real Stone de Rouffignac taught physics for more than thirty years, variously in a coeducational boarding school, an international school, and two girls’ day schools.view less