Alexander Fol

During this time he organized International Congresses of Thracology in Sofia, Bucharest, Vienna, Rotterdam, Moscow, and Palma de Mallorca.

He was the founder of the Bulgarian Research Institute in Vienna, and of the School for Antique Languages and Culture in Sofia (1977).

Since 1983, he was director of archaeological excavations in the east Bulgarian village of Drama together with Jan Lichardus of the Institute of Prehistory and Early History at the Saarland University Saarbrücken (Germany).

He received numerous invitations as guest lecturer in England, the United States, Russia, Germany, Japan, Greece, Italy, Sweden, and France.

His publications comprise twelve monographies on Thracian social history, as well as several articles in the field of Thracology.