(IMAGE) Polytechnique Montréal Caption This is Dr. Gérald J. Zagury, Professor in the Department of Civil, Geological and Mining Engineering at Polytechnique Montréal. Credit Polytechnique Montréal 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.