GAINESVILLE, FL – At the 58th annual meeting of the American Society of Radiation Oncology (ASTRO) held September 25-28, 2016, Drs. Nancy and William Mendenhall were two of ten ASTRO members to be named ASTRO Fellows in the 10th anniversary year that the designation has been awarded. The designation honors ASTRO members who have made significant contributions to the field of radiation oncology in research, education, patient care, or service and leadership. Dr. Nancy Mendenhall joined ASTRO in 1985 and Dr. William Mendenhall joined in 1978. At the FASTRO ceremony both were recognized for their contributions in the areas of patient care and education. Dr. Nancy Menndenhall is Associate Chair of the University of Florida Department of Radiation Oncology and Medical Director of the UF Health Proton Therapy Institute, and Dr. William Mendenhall, Professor of the University of Florida Department of Radiation Oncology.