Proton treatment begins at Berkeley Radiation Laboratory. Loma Linda University Medical Center researchers begin studies of charged-particle treatment. Proton Therapy Cooperative Group established to promote international collaboration in hospital-based proton beam therapy. Loma Linda University Medical Center announces its intent to build the world's first hospital-based proton treatment facility.
Treatment begins for patients with brain tumors and tumors of the head and neck.
A floor at the facility is named in his honor. Patients from 41 states and 19 countries have been treated. Department of radiation medicine treating 100 proton therapy patients and 100 x-ray therapy patients per day.