Auckland University graduation

With Mitsu Ogihara, Ioan Macarie and Lane Hemaspandra in Rochester

At Kennedy Library in Boston

With Dan Simovici in Boston

With Sergei Artemov and Anil Nerode at Cornell

With Rebecca Ali and Greg Chaitin in New York

In front of Springer's building in New York

In front of Einstein's office in Princeton

In front of Gödel's house in Princeton

With Greg Chaitin near Gödel's grave in Princeton

In front of Einstein fire place at Princeton

At IBM Watson Center in New York

Again at IBM Watson Center in New York

At the Golf Club in Albuquerque with Sorin Istrail

With John Casti in Vienna

With Nick Dudley Ward and Karl Svozil in Vienna

In the Austrian Alps

With students at the Institute of Theoretical Physics in Vienna

Visiting Stuttgart University: Anca Muscholl, Volker Diekert, Yuri Matiyasevich and others

With Ludwig Staiger and Sheng Yu in Berlin

Ludwig Staiger, Sheng Yu and Karl Svozil in Berlin

With Detlef Wotschke and Josef Gruska in Berlin

Speaking at a conference in Plovdiv, Bulgaria

With Lumi Dediu, Victor Dobre and Ludwig Staiger in Galatzi

With Solomon Marcus in Bucharest

In office at Jaist

With Tetsuo Asano in Kanazawa Garden

Working at Jaist 1

Working at Jaist 2

With Hiroakira Ono, Takeyuki Hida and Hajime Ishihara at Jaist

With Hajime Ishihara and students at Jaist

With Tetsuo Asano and Hajime Ishihara at Jaist

With Satoshi Tojo on the tennis court at Jaist

In action on the tennis court at Jaist

With Satoshi Tojo and a student

With Tetsuo Asano, Hikigi Yoshihiko and a guest

Playing tennis with Tetsuo Asano in the Jaist President Cup

Runner up with Tetsuo Asano in the Jaist President Cup

Visit to Meijo University: Si Si, Takeyuki Hida, Elart von Collani and others

Night in Nagoya