This makes the four researchers among the most-cited and influential scientists worldwide – either in their specific field or for their cross-field performance. Clarivate Analytics has been publishing the "highly cited researchers" ranking every year since 2014. The list includes researchers who have written several "highly cited papers" in the past years (2009 to 2019). In 2020, there are 6167 researchers worldwide, including 154 from Switzerland.

• Juliane Hollender, Head of the Department Environmental Chemistry at Eawag and Adjunct Professor in the Department Environmental Systems Science at ETH Zurich
• Ole Seehausen, Head of the Department Fish Ecology and Evolution at Eawag and Professor for Aquatic Ecology and Evolution at the University of Bern
• Bernhard Truffer, Head of the Department Environmental Social Sciences at Eawag and Professor for Geography of Transitions at the University of Utrecht (Netherlands)
• Urs von Gunten, Head of the Research Group Drinking Water Chemistry at Eawag and Professor for Water Quality and Treatment at the ETH Lausanne

Eawag congratulates the winning researchers on their achievements!