Dymaczewo near Poznań. International Symposium "Origin and Early Development
of Food-producing Cultures in North-Eastern Africa", September 9^th-13^th, 1980.
Conference hall.
In the first row, from the left: (1) Romuald Schild, Ph.D. (Institute of History
of Material Culture, Polish Academy of Sciences in Warsaw); (4) Lech Krzyżaniak, Ph.D.
In the second row, from the left: (1) John Bower, Ph.D. (Iowa State University, USA);
(2) Margherita Mussi (Instituto di Paleontologia, Universita di Roma);
(3) Isabella Caneva (Instituto di Paleontologia, Universita di Roma);
(4) Prof. John Desmond Clark (University of California, Los Angeles, USA).