Favel Kogan ^People

T' he main scientific interests of Favel Kogan were concentrated on the study of the effect of asbestosto health. In the first years, his attention was mainly focused on the study ofthe influence of working conditions on the health of workers at the asbestos enrichment factories of the Bazhenovskoye chrysotile-asbestos deposit, lat- er the sphere of scientific interests of Kogan deposits and amphibole asbestos at theSysert deposit, production of asbestos-technical, asbestos-cement, asbestos-contain- ing heat-insulating materials and products.Favel Kogan summarized the results of his research in his Ph. D. thesis Hygienic characteristics of dust in asbestos enrichment factories and measures to combat it' (1953) and in his doctoral dissertation on the topicAsbestos-containing dusts in occupational hygiene and occupational pathology (1966).Along with general issues of occupational health, he dealt with the problemsof oncoepidemiology, experimental and industrial toxicology and ecology in the pro- duction and use of chrvsotile asbestos, was the first in Russia to begin research onthe carcinogenic hazard in the asbestos industry. Under his leadership, studies were carried out on the epidemiology of malignant neoplasms during the extraction and enrichment of asbestos, in the asbestos-cement and asbestos-technical industries, aswell as in theproduction of asbestos-containing thermal insulation materials.