The article presents the main stages of life and work of the professor L.S. Rosenstrauch (1918–2016). L.S. Rosenstrauch is the author of more than 300 scientific papers including 10 monographies. The important direction of his scientific works was development of new radiological techniques such as parasternal mediastinography, and development and integration of the domestic contrast agents. L.S. Rosenstrauch intensively engaged in teaching. More than 30 doctoral and more than 60 candidate dissertations were defended under his guidance or consultation. Professor was a honorary member of domestic and foreign societies of radiology, editorial Board member of the “Journal of radiology and nuclear medicine” and the international journal “Radiology – diagnostics”, coeditor of radiological section of the BME. Under his guidance a unified program of postgraduate medical education in radiology was developed.