20 years 9/11

remembering that day ... we were in Pittsburgh (photo NY 08/2015)

Ciao Blindi

Friend - pro ice hockey player retires...


Legendary "bomber" Gerd Müller (World Cup Panini Cards Collection)

Swiss alps

Arosa bears - "Bärenland"

My preferred book 2021

PhD Thesis 2021 = great work by Romana!

Davos HCD

visiting the HCD legendary "Eisstadion Davos"

Beach volley

... a special shirt = many thanks Stefan !


2. virtual conference...


My 1st paper, together with my friend Nicolas Mathieu... 30 years ago