The German Cancer Research Center (DKFZ) Heidelberg offers three courses in the field of particle therapy this year again. The courses are organized under the auspices of the Heidelberg Institute of Radiation Oncology (HIRO) in close cooperation with the Heidelberg Ion-Beam Therapy Center (HIT) as well as the University Hospital Heidelberg. The Online Teaching Course Particle Therapy (course type 3) is designed for national and international scientists, physicians, medical physics experts or physicist as well as BSc, MSc or PhD students who would like to get a deeper understanding of the physics of particle therapy and its clinical application. This course comprises of 37 English-speaking teaching units. Further information: www.dkfz.de/particle_course_en