Dr. Simon Powell (IMAGE) Memorial Sloan Kettering Cancer Center Caption At the annual meeting of ASTRO, the American Society for Therapeutic Radiology and Oncology, MSK Radiation Oncology Department Chair Dr. Simon Powell was honored with ASTRO’s highest honor, the Gold Medal Award. Credit Memorial Sloan Kettering Cancer Center Usage Restrictions attribution 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.