Press release EnglishEnglish (pdf)SwedishSwedish (pdf) 5 October 2026 The Nobel Assembly at Karolinska Institutet has decided to award the 2026 Nobel Prize in Physiology or Medicine jointly to: KARL DEISSEROTHThe Howard Hughes Medical Institute and Stanford University, USA PETER HEGEMANNHumboldt University of Berlin, Germany GEORG NAGELUniversity of Würzburg, Germany “for their discoveries concerning light-gated ion channels and optogenetics” Light-seeking algae gave us a switch for nerve cells ...