Dusa McDuff and Dietmar Salamon (IMAGE) American Mathematical Society Caption Dusa McDuff (left) and Dietmar Salamon are the winners of the 2017 AMS Steele Prize for Exposition. Credit Photo of Dietmar Salamon: Christina Buchmann. Usage Restrictions With credit. 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.