Professor Simon Stellmer from the University of Bonn
adjusting a laser used for precision measurements.

Links
- https://www.pi.uni-bonn.de/en/news/simon-stellmer-erhaelt-erc-proof-of-concept-grant/simonstellmer-lannert-290819-01.jpg/image_view_fullscreen
- https://www.pi.uni-bonn.de/en/news/simon-stellmer-erhaelt-erc-proof-of-concept-grant/simonstellmer-lannert-290819-01.jpg/@@download/image/SimonStellmer-Lannert-290819-01.jpg