2005 Hannover (Germany) with Alexander Sorin having an Ice Cream
2016 in Plyos (Russia) on the Volga at the Ivanovo Round Table on Chemical Technologies organized by myself with Embassy funds. With Prof. Arena(Catania), Prof. Tatyana Usecheva and Ivanovo Rector Prof. Shirmin
2002 KIev, Bogolyubov Institute of Theoretical Physics of the Ukrainian Academy of Sciences. My office during sabbatical
2017 With Rector Ajani of Torino University during the opening cerimony of the Arnol'd Regge Centre for Geometry and Physics.
Stony Brook (NY, USA) 1979 Supergavity@1 The first Conference on Supergravity Theory
