Philippe Hirschhorn was the teacher of which violinist and violist born on January 7, 1978?
Philippe Hirschhorn:  He was the teacher of many excellent violinists who dedicated their working life to performing and teaching, among others Philippe Graffin, David Grimal, Cornelia Angerhofer, Janine Jansen, Yoris Jarzynski, Marie-Pierre Vendôme and many others. Janine Jansen: Janine Jansen ( ʒɑnine jɑnsən "or" ʒanine jɑnsən ; born 7 January 1978 in Soest in the Netherlands) is a violinist and violist.
i don't know