Dymaczewo near Poznań. International Sympozjum
"Environmental change and human culture in the Nile Basin
and Northern Africa until the second millenium B.C.",
September 5th-10th, 1988
From the left: (1) L. Krzyżaniak, Ph.D.; (2) Prof. John Desmond Clark;
(3) Prof. Fred Wendorf (Southern Methodist University, Dallas, Texas, USA);
(4) Prof. Jerzy Topolski (Institute of History, Adam Mickiewicz University in Poznań);
(5) Prof. Jan Żak (Institute of Prehistory, Adam Mickiewicz University in Poznań);
(6) Michał Kobusiewicz, Ph.D. (Institute of Archaeology and Ethnology, Polish Academy
of Sciences - Poznań Branch).