Web of Science has recently released „Highly Cited Researchers” list for 2017, see www.highlycited.com. Based on the most frequently cited publications between 2005 and 2015 altogether 3300 researchers were recognized from all over the world in 21 various scientific disciplines. This year two colleagues of the Semmelweis University, Department of Pharmacology and Pharmacotherapy have received this highly prestigious honor again: Prof. Péter Ferdinandy, the head of our department, and Prof. Pál Pacher, external scientific advisor and Doctor Honoris Causa of Semmelweis University, currently affiliated at NIH, USA.