It is with great sadness that the members of the LPENS learnt about the passing on June 15 of our colleague and friend Nick Kaiser, ENS professor in the Astrophysics team.

Nick’s work had a considerable impact on the development of cosmology and the study of the large-scale structure of the universe. He helped found modern cosmology by establishing observational tests that are still in use today. In particular, he developed the first statistical methods for mapping the distribution of dark matter in the Universe from gravitational lensing effects on galaxy images.

Nick has joined the LPENS on the Astrophysics Chair in autumn 2017. He was awarded the prestigious Gruber Prize in Cosmology in 2019 with Joe Silk. He had retired last October but remained active. He had still given a seminar in Paris last week. His sudden death is causing great emotion throughout the world.


More informations:
Laboratoire de physique de L’École normale supérieure (LPENS, ENS Paris/CNRS/Sorbonne Université/Université de Paris)

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