The Polish connections:
Zbigniew Michalewicz and Jacek Zurada; Andrzej Cichocki and Jan Mulawka

Zdzislaw Pawlak with Ilona Jagielska, and again Ilona with Andrzej Cichocki & Jacek Zurada

Zdzislaw Pawlak & L. Polkowski lecturing

Andrzej Pacut & Ilona Jagielska; Andrew australijczyk