100 éve született Dr. Kessler Hubert

Dr. Hubert Kessler (1907–1994) was the most famous Hungarian karst and cave researcher, and perhaps the most successful. He was the director of the Baradla Cave from 1935-1945, and later, the director of the Speleological Institute where he focused his efforts on cave protection. This book came out on the occasion of professional meeting of speleologists that was organized between 9th and 11th of…