Torstein Lyberg (2 June 1947 â 12 October 2021) was a Norwegian maxillofacial surgeon and medical researcher. He was a research director at Oslo University Hospital and authored around 300 papers in medical journals. According to Google Scholar he is cited around 12,000 times in scientific literature and has an h-index of 60. He was described in the Journal of the Norwegian Medical Association as "one of the giants of Norwegian maxillofacial surgery and research."
He graduated as a dentist in 1971 and as a physician in 1975, and earned the dr.med. research doctorate in 1984. He became head of maxillofacial surgery at UllevÃÂ¥l University Hospital in the same year. He introduced modern craniofacial surgery in Norway, as well as several other new treatment methods. From 1992 he worked with research full-time as research director at UllevÃÂ¥l University Hospital, and published around 300 research articles, mainly on the cell biology of thromboplastin, coagulation, fibrinolysis, thrombosis mechanisms, septic shock, experimental surgery and jaw surgery topics. He received UllevÃÂ¥l's prize for outstanding research in 1992. He turned down professorships at the University of Oslo due to the associated teaching requirement, to continue with research full time.