November 1993 ('Eduard Suess "The Tethys" 100 years ago and today': Celebration lecture on the occasion of the 100th anniversary of the "Tethys" concept, University of Vienna).
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1998- Advisor to the Minister of State responsible for TÜBİTAK (Scientific and Technological Research Council of Turkey), MTA (General Directorate of Mineral Research and Exploration of Turkey), and Etibank.
The very first written definition/discussion on the fossil formation (mentioning Nummulite quoted from A.M. Celâl Şengör).
Celâl Bayar | Celâl Şengör | Celal Kandemiroglu | Celal Bayar |