The article presents scientific biography of A. A. Otelin - outstanding morphologist, Doctor of Medical Sciences, Professor, representative of scientific school of Academician V. P. Vorobyov. The contribution of A. A. Otelin into becoming of morphological chairs in medical institutes of Kharkov, Lvov, Vinnitsa, Kishinev, Kursk and Kemerovo and in formation of scientific morphological schools in the regions of the RSFSR and the Republics of the USSR is demonstrated. The particular attention is paid to results of scientific studies of A. A. Otelin in the 1970s carried out jointly with scientists of the Institute of Brain of the USSR Academy of Medical Sciences and the I. P. Pavlov Institute of Physiology of the USSR Academy of Sciences concerning investigation of morphology of sensitive receptors - Vater-Pacini corpuscules.
Keywords: A. A. Otelin; V. P. Vorobyov; Vater–Pacini corpuscle; anatomy; history of science; peripheral nervous system.