Timothy Whelan (IMAGE) McMaster University Caption Tim Whelan a professor in the Department of Oncology at McMaster, a Canada Research Chair in Breast Cancer Research and a radiation oncologist for Hamilton Health Sciences. Credit Georgia Kirkos/McMaster University Usage Restrictions none 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.