On behalf of the GIREP-ICPE-EPEC-MPTL Eötvös Year 2019 organizing committee, we are honoured and delighted to welcome you to our conference which will be between 1st and 5th of July 2019. We believe that we have chosen a venue – the Budapest University of Technology and Economics – that guarantees a successful event amid the culture and beautiful world-heritage scenery of Budapest, Hungary. This conference is coinciding with the memorial year of Roland Eötvös for his passing a century ago. Also