In the footsteps of Jacques Cousteau (IMAGE) Goethe University Frankfurt Caption Professor Eberhard Gischler and his doctoral researcher Dominik Schmitt with the last piece of the stalactite recovered from the Blue Hole by Jacques Cousteau in 1970. Credit Daniel Parwareschnia Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.