IN MEMORIAM of prof. Dr Slobodan Djordjevic (1921-2010) He was a professor of medicine. He was elected an Assistant Professor in Surgery at the Department of Otorhinolaryngology. He was elected Chair of Otorhinolaryngology. He was a member of the Medical Academy of the Serbian Medical Association, Scientific Society for the History of Health Education in Serbia, Yugoslav ORL Association, Yugoslav Association of Cancerology and many others. Published several works