Professors Stéphane Bordas and Alexandre Tkatchenko have been ranked among the most influential scientific researchers in the “Highly Cited Researchers 2018” list published recently by Clarivate Analytics. The list highlights world-class researchers who have demonstrated significant influence, as measured by the number of citations of published papers within the top 1 per cent by citations for field and year in the citation index Web of Science. The 2018 ranking is based on c