Dr Paul Smith (IMAGE) Society of Chemical Industry Caption Dr Paul Smith, Perimeter Institute for Theoretical Physics, recipient of the 2023 Canada Medal. Credit ©️ Dr Paul Smith/Perimeter Institute for Theoretical Physics Usage Restrictions Only for use with stories relating to this release. Must contain credit License Original 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.